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  1. Content type: Review

    Acid ceramidase (ACDase) deficiency is a spectrum of disorders that includes a rare lysosomal storage disorder called Farber disease (FD) and a rare epileptic disorder called spinal muscular atrophy with progr...

    Authors: Fabian P. S. Yu, Samuel Amintas, Thierry Levade and Jeffrey A. Medin

    Citation: Orphanet Journal of Rare Diseases 2018 13:121

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  2. Content type: Research

    Mitochondrial acyl-CoA dehydrogenase family member 9 (ACAD9) is essential for the assembly of mitochondrial respiratory chain complex I. Disease causing biallelic variants in ACAD9 have been reported in individua...

    Authors: Birgit M. Repp, Elisa Mastantuono, Charlotte L. Alston, Manuel Schiff, Tobias B. Haack, Agnes Rötig, Anna Ardissone, Anne Lombès, Claudia B. Catarino, Daria Diodato, Gudrun Schottmann, Joanna Poulton, Alberto Burlina, An Jonckheere, Arnold Munnich, Boris Rolinski…

    Citation: Orphanet Journal of Rare Diseases 2018 13:120

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  3. Content type: Research

    Tuberous Sclerosis Complex (TSC) is a rare multisystem disorder. In 2012 diagnostic criteria for TSC were revised. However, data on the incidence of TSC are limited.

    Authors: Daniel Ebrahimi-Fakhari, Lilian Lisa Mann, Martin Poryo, Norbert Graf, Rüdiger von Kries, Beate Heinrich, Darius Ebrahimi-Fakhari, Marina Flotats-Bastardas, Ludwig Gortner, Michael Zemlin and Sascha Meyer

    Citation: Orphanet Journal of Rare Diseases 2018 13:117

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  4. Content type: Review

    Hypophosphatasia (HPP) is a rare inborn error of metabolism that results from dysfunction of the tissue non-specific alkaline phosphatase enzyme. Its manifestations are extremely variable, ranging from early l...

    Authors: Eric T. Rush

    Citation: Orphanet Journal of Rare Diseases 2018 13:116

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  5. Content type: Research

    Hereditary angioedema with C1-inhibitor deficiency (C1-INH-HAE) is characterized by recurrent edema of unpredictable frequency and severity. Stress, anxiety, and low mood are among the triggering factors most ...

    Authors: Livia Savarese, Maria Bova, Raffaella De Falco, Maria Domenica Guarino, Raffaele De Luca Picione, Angelica Petraroli, Riccardo Senter, Claudia Traverso, Matteo Zabotto, Andrea Zanichelli, Eugenio Zito, Maria Alessio, Mauro Cancian, Marco Cicardi, Adriana Franzese, Roberto Perricone…

    Citation: Orphanet Journal of Rare Diseases 2018 13:115

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  6. Content type: Review

    Alpha-1 antitrypsin deficiency (AATD) is a rare hereditary condition that leads to decreased circulating alpha-1 antitrypsin (AAT) levels, significantly increasing the risk of serious lung and/or liver disease...

    Authors: María Torres-Durán, José Luis Lopez-Campos, Miriam Barrecheguren, Marc Miravitlles, Beatriz Martinez-Delgado, Silvia Castillo, Amparo Escribano, Adolfo Baloira, María Mercedes Navarro-Garcia, Daniel Pellicer, Lucía Bañuls, María Magallón, Francisco Casas and Francisco Dasí

    Citation: Orphanet Journal of Rare Diseases 2018 13:114

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  7. Content type: Research

    Our objective was to evaluate children with metabolic diseases in paediatric palliative home care (PPC) and the process of decision-making. This study was conducted as single-centre retrospective cohort study ...

    Authors: Jessica I. Hoell, Jens Warfsmann, Felix Distelmaier, Arndt Borkhardt, Gisela Janßen and Michaela Kuhlen

    Citation: Orphanet Journal of Rare Diseases 2018 13:112

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  8. Content type: Research

    Mucous membrane pemphigoid is a group of chronic subepithelial autoimmune blistering diseases that mainly affect mucous membranes. Laminin 332-specific autoantibodies are present in approximately 1/3 of the pa...

    Authors: Roxana Chiorean, Sorina Danescu, Oana Virtic, Mayson B. Mustafa, Adrian Baican, Annette Lischka, Takashi Hashimoto, Yoshinobu Kariya, Manuel Koch and Cassian Sitaru

    Citation: Orphanet Journal of Rare Diseases 2018 13:111

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  9. Content type: Research

    Mucopolysaccharidosis (MPS) Type I (MPSI) is caused by mutations in the gene encoding the lysosomal enzyme, α-L-iduronidase (IDUA), and a majority of patients present with severe neurodegeneration and cognitiv...

    Authors: Roberto Giugliani, Luciana Giugliani, Fabiano de Oliveira Poswar, Karina Carvalho Donis, Amauri Dalla Corte, Mathias Schmidt, Ruben J. Boado, Igor Nestrasil, Carol Nguyen, Steven Chen and William M. Pardridge

    Citation: Orphanet Journal of Rare Diseases 2018 13:110

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  10. Content type: Research

    Deficiency of phenylalanine hydroxylase causes phenylketonuria (PKU) with elevated phenylalanine (Phe) levels and associated neuropsychiatric and neurocognitive symptoms. Pegvaliase (PEGylated phenylalanine am...

    Authors: Nicola Longo, Roberto Zori, Melissa P. Wasserstein, Jerry Vockley, Barbara K. Burton, Celeste Decker, Mingjin Li, Kelly Lau, Joy Jiang, Kevin Larimore and Janet A. Thomas

    Citation: Orphanet Journal of Rare Diseases 2018 13:108

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  11. Content type: Research

    Dystrophinopathies are a set of severe and incurable X-linked neuromuscular disorders caused by mutations in the dystrophin gene (DMD). These mutations form a complex spectrum. A national registration network is ...

    Authors: Peipei Ma, Shu Zhang, Hao Zhang, Siying Fang, Yuru Dong, Yan Zhang, Weiwei Hao, Shiwen Wu and Yuying Zhao

    Citation: Orphanet Journal of Rare Diseases 2018 13:109

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  12. Content type: Research

    Split hand/foot malformation (SHFM) is a genetically heterogeneous limb malformation with variable expressivity. SHFM with tibia or femur aplasia is called SHFM with long bone deficiency (SHFLD). 17p13.3 dupli...

    Authors: Yuqi Shen, Nuo Si, Zhe Liu, Fang Liu, Xiaolu Meng, Ying Zhang and Xue Zhang

    Citation: Orphanet Journal of Rare Diseases 2018 13:106

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  13. Content type: Research

    Transthyretin-related hereditary amyloidosis (ATTR) is a systemic disease characterized by extracellular deposits of amyloid due to the autosomal dominant inheritance of a mutation in the TTR gene (18q12.1). A...

    Authors: Alejandra González-Duarte, Karla Cárdenas-Soto, Carlo Enrico Bañuelos, Omar Fueyo, Carolina Dominguez, Benjamín Torres and Carlos Cantú-Brito

    Citation: Orphanet Journal of Rare Diseases 2018 13:107

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  14. Content type: Research

    RYR1-related Myopathies (RYR1-RM) comprise a group of rare neuromuscular diseases (NMDs) occurring in approximately 1/90000 people in the US pediatric population. RYR1-RM result from pathogenic mutations in the r...

    Authors: Jessica W. Witherspoon, Ruhi P. Vasavada, Melissa R. Waite, Monique Shelton, Irene C. Chrismer, Paul G. Wakim, Minal S. Jain, Carsten G. Bönnemann and Katherine G. Meilleur

    Citation: Orphanet Journal of Rare Diseases 2018 13:105

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  15. Content type: Review

    For many rare diseases, strong analytic study designs for evaluating the efficacy and effectiveness of interventions are challenging to implement because of small, geographically dispersed patient populations ...

    Authors: Kylie Tingley, Doug Coyle, Ian D. Graham, Lindsey Sikora, Pranesh Chakraborty, Kumanan Wilson, John J. Mitchell, Sylvia Stockler-Ipsiroglu and Beth K. Potter

    Citation: Orphanet Journal of Rare Diseases 2018 13:104

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  16. Content type: Research

    Wolfram syndrome (WFS) is a rare autosomal recessive disease with clinical manifestations of diabetes mellitus (DM), diabetes insipidus (DI), optic nerve atrophy (OA) and sensorineural hearing loss (SNHL). Alt...

    Authors: Roanne Karzon, Anagha Narayanan, Ling Chen, Judith E. C. Lieu and Tamara Hershey

    Citation: Orphanet Journal of Rare Diseases 2018 13:102

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  17. Content type: Research

    In patients with phenylketonuria (PKU), a low-phenylalanine (Phe) diet supplemented with low-protein foods and a Phe-free amino acid mixture favors a dietary intake rich in carbohydrates, but little is known a...

    Authors: María L. Couce, Paula Sánchez-Pintos, Isidro Vitoria, María-José De Castro, Luís Aldámiz-Echevarría, Patricia Correcher, Ana Fernández-Marmiesse, Iria Roca, Alvaro Hermida, Miguel Martínez-Olmos and Rosaura Leis

    Citation: Orphanet Journal of Rare Diseases 2018 13:103

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  18. Content type: Research

    Despite early and ongoing dietary management with a phe-restricted diet, suboptimal neuropsychological function has been observed in PKU. The restrictive nature of the PKU diet may expose patients to sub-optim...

    Authors: Gina A. Montoya Parra, Rani H. Singh, Aysun Cetinyurek-Yavuz, Mirjam Kuhn and Anita MacDonald

    Citation: Orphanet Journal of Rare Diseases 2018 13:101

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  19. Content type: Research

    Neurofibromatosis 1 (NF1) presents a wide range of clinical manifestations, including bone alterations. Studies that seek to understand cellular and molecular mechanisms underlying NF1 orthopedic problems are ...

    Authors: Paula Nascimento Almeida, Deuilton do Nascimento Barboza, Eloá Borges Luna, Maria Clara de Macena Correia, Rhayra Braga Dias, Ana Caroline Siquara de Sousa, Maria Eugenia Leite Duarte, Maria Isabel Doria Rossi and Karin Soares Cunha

    Citation: Orphanet Journal of Rare Diseases 2018 13:98

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  20. Content type: Research

    Vascular Ehlers-Danlos syndrome (vEDS) is a rare condition characterized by connective tissue fragility. Direct spontaneous carotid-cavernous fistula (sCCF) is reportedly pathognomonic of vEDS. We conducted th...

    Authors: Salma Adham, Denis Trystram, Juliette Albuisson, Valérie Domigo, Anne Legrand, Xavier Jeunemaitre and Michael Frank

    Citation: Orphanet Journal of Rare Diseases 2018 13:100

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  21. Content type: Research

    Hyperammonaemia is a key sign of decompensation in organic acidurias (OAs) and can contribute to severe neurological complications, thus requiring rapid treatment.

    Authors: Anupam Chakrapani, Vassili Valayannopoulos, Nuria García Segarra, Mireia Del Toro, Maria Alice Donati, Angeles García-Cazorla, María Julieta González, Celine Plisson and Vincenzo Giordano

    Citation: Orphanet Journal of Rare Diseases 2018 13:97

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  22. Content type: Research

    Homozygous familial hypercholesterolaemia (HoFH) is characterized by a markedly increased risk of premature cardiovascular (CV) events and cardiac death. Lomitapide reduces low-density lipoprotein cholesterol ...

    Authors: Dirk J. Blom, Marina Cuchel, Miranda Ager and Helen Phillips

    Citation: Orphanet Journal of Rare Diseases 2018 13:96

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  23. Content type: Research

    Demonstrating treatment benefits within clinical trials in the context of rare diseases is often methodologically and practically challenging. Mixed methods research offers an approach to overcome these challe...

    Authors: Murtuza Bharmal, Isabelle Guillemin, Alexia Marrel, Benoit Arnould, Jérémy Lambert, Meliessa Hennessy and Fatoumata Fofana

    Citation: Orphanet Journal of Rare Diseases 2018 13:95

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  24. Content type: Research

    Pediatric cataract is a clinically and genetically heterogeneous disease which is a significant cause of lifelong visual impairment and treatable blindness. Our study aims to investigate the genotype spectrum ...

    Authors: Jingyan Li, Yunji Leng, Shirui Han, Lulu Yan, Chaoxia Lu, Yang Luo, Xue Zhang and Lihua Cao

    Citation: Orphanet Journal of Rare Diseases 2018 13:94

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  25. Content type: Research

    Exon skipping has been considered a promising therapeutic approach for Duchenne muscular dystrophy (DMD). Eteplirsen received conditional approval in the United States in 2016. To date, no systematic reviews o...

    Authors: Yuko Shimizu-Motohashi, Terumi Murakami, En Kimura, Hirofumi Komaki and Norio Watanabe

    Citation: Orphanet Journal of Rare Diseases 2018 13:93

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  26. Content type: Research

    Niemann-Pick disease type C (NP-C) is a rare, progressive neurodegenerative disease caused by mutations in the NPC1 or the NPC2 gene. Neurocognitive deficits are common in NP-C, particularly in patients with the ...

    Authors: Andreas Johnen, Matthias Pawlowski and Thomas Duning

    Citation: Orphanet Journal of Rare Diseases 2018 13:91

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  27. Content type: Research

    Hereditary angioedema with C1 inhibitor deficiency (C1-INH-HAE) is a rare inherited disease. In most HAE-affected subjects, defined trigger factors precede angioedema attacks. Mechanisms of how trigger factors...

    Authors: Urs C. Steiner, Lea Kölliker, Christina Weber-Chrysochoou, Peter Schmid-Grendelmeier, Elsbeth Probst, Walter A. Wuillemin and Arthur Helbling

    Citation: Orphanet Journal of Rare Diseases 2018 13:90

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  28. Content type: Research

    Mucopolysaccharidosis type II (MPS II) is the most frequently occurring MPS in Taiwan, with an incidence of 2.05 per 100,000 live male births, but little is known about clinical characteristics and surgical hi...

    Authors: Hsiang-Yu Lin, Chih-Kuang Chuang, Ming-Ren Chen, Shio Jean Lin, Pao Chin Chiu, Dau-Ming Niu, Fuu-Jen Tsai, Wuh-Liang Hwu, Yin-Hsiu Chien, Ju-Li Lin and Shuan-Pei Lin

    Citation: Orphanet Journal of Rare Diseases 2018 13:89

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  29. Content type: Research

    α-mannosidosis is a rare, autosomal-recessive, lysosomal storage disease caused by a deficient activity of α-mannosidase. Typical symptoms include intellectual, motor and hearing impairment, facial coarsening,...

    Authors: Juliane Matlach, Thea Zindel, Yasmina Amraoui, Laila Arash-Kaps, Julia B. Hennermann and Susanne Pitz

    Citation: Orphanet Journal of Rare Diseases 2018 13:88

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  30. Content type: Research

    Secondary use of data collected in Electronic Health Records opens perspectives for increasing our knowledge of rare diseases. The clinical data warehouse (named Dr. Warehouse) at the Necker-Enfants Malades Ch...

    Authors: Nicolas Garcelon, Antoine Neuraz, Rémi Salomon, Nadia Bahi-Buisson, Jeanne Amiel, Capucine Picard, Nizar Mahlaoui, Vincent Benoit, Anita Burgun and Bastien Rance

    Citation: Orphanet Journal of Rare Diseases 2018 13:85

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  31. Content type: Research

    ATP8A2 mutations have recently been described in several patients with severe, early-onset hypotonia and cognitive impairment. The aim of our study was to characterize the clinical phenotype of patients with ATP8...

    Authors: Hugh J. McMillan, Aida Telegrafi, Amanda Singleton, Megan T. Cho, Daniel Lelli, Francis C. Lynn, Julie Griffin, Alexander Asamoah, Tuula Rinne, Corrie E. Erasmus, David A. Koolen, Charlotte A. Haaxma, Boris Keren, Diane Doummar, Cyril Mignot, Islay Thompson…

    Citation: Orphanet Journal of Rare Diseases 2018 13:86

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  32. Content type: Research

    Mucopolysaccharidoses (MPS) are lysosomal storage diseases in which mutations of genes encoding for lysosomal enzymes cause defects in the degradation of glycosaminoglycans (GAGs). The accumulation of GAGs in ...

    Authors: Chih-Kuang Chuang, Hsiang-Yu Lin, Tuan-Jen Wang, You-Hsin Huang, Min-Ju Chan, Hsuan-Chieh Liao, Yun-Ting Lo, Li-Yun Wang, Ru-Yi Tu, Yi-Ya Fang, Tzu-Lin Chen, Hui-Chen Ho, Chuan-Chi Chiang and Shuan-Pei Lin

    Citation: Orphanet Journal of Rare Diseases 2018 13:84

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  33. Content type: Review

    Epidermolysis bullosa (EB) and autoimmune blistering diseases (AIBD) describe a group of rare chronic dermatoses characterized by cutaneous fragility and blistering. Although uncommon, significant ocular surfa...

    Authors: Brendon W. H. Lee, Jeremy C. K. Tan, Melissa Radjenovic, Minas T. Coroneo and Dedee F. Murrell

    Citation: Orphanet Journal of Rare Diseases 2018 13:83

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  34. Content type: Research

    Pompe disease is a rare metabolic myopathy. In adult patients, progressive weakness of limb-girdle and respiratory muscles often leads to wheelchair and respirator dependency. Clinical studies have shown enzym...

    Authors: Jan C. van der Meijden, Michelle E. Kruijshaar, Dimitris Rizopoulos, Pieter A. van Doorn, Nadine A. M. E. van der Beek and Ans T. van der Ploeg

    Citation: Orphanet Journal of Rare Diseases 2018 13:82

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  35. Content type: Research

    Composite endpoints are recommended in rare diseases to increase power and/or to sufficiently capture complexity. Often, they are in the form of responder indices which contain a mixture of continuous and bina...

    Authors: Martina McMenamin, Anna Berglind and James M. S. Wason

    Citation: Orphanet Journal of Rare Diseases 2018 13:81

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  36. Content type: Research

    The first subjects with deficiency of mitochondrial tryptophanyl-tRNA synthetase (WARS2) were reported in 2017. Their clinical characteristics can be subdivided into three phenotypes (neonatal phenotype, sever...

    Authors: Elise Vantroys, Joél Smet, Arnaud V. Vanlander, Sarah Vergult, Ruth De Bruyne, Frank Roels, Hedwig Stepman, Herbert Roeyers, Björn Menten and Rudy Van Coster

    Citation: Orphanet Journal of Rare Diseases 2018 13:80

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  37. Content type: Research

    Alpha-1-antitrypsin (AAT) deficiency (AATD) of Z, Mmalton, Siiyama type is associated with liver storage of the mutant proteins and liver disease. The Z variant can be diagnosed on isoelectric focusing (IEF) w...

    Authors: Francesco Callea, Isabella Giovannoni, Paola Francalanci, Renata Boldrini, Gavino Faa, Daniela Medicina, Valerio Nobili, Valeer J. Desmet, Kamal Ishak, Kuniaki Seyama and Emanuele Bellacchio

    Citation: Orphanet Journal of Rare Diseases 2018 13:79

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  38. Content type: Research

    Birt-Hogg-Dubé syndrome (BHDS) is a recently recognized inherited multiple cystic lung disease causing recurrent pneumothoraces. Similarly to the lesions in patients with lymphangioleiomyomatosis (LAM), the pu...

    Authors: Teruaki Mizobuchi, Masatoshi Kurihara, Hiroki Ebana, Sumitaka Yamanaka, Hideyuki Kataoka, Shouichi Okamoto, Etsuko Kobayashi, Toshio Kumasaka and Kuniaki Seyama

    Citation: Orphanet Journal of Rare Diseases 2018 13:78

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  39. Content type: Review

    IDeAl (Integrated designs and analysis of small population clinical trials) is an EU funded project developing new statistical design and analysis methodologies for clinical trials in small population groups. ...

    Authors: Ralf-Dieter Hilgers, Malgorzata Bogdan, Carl-Fredrik Burman, Holger Dette, Mats Karlsson, Franz König, Christoph Male, France Mentré, Geert Molenberghs and Stephen Senn

    Citation: Orphanet Journal of Rare Diseases 2018 13:77

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  40. Content type: Research

    Hurler syndrome (MPS IH), the severe, neurodegenerative form of type one mucopolysaccharidosis, is associated with rapid neurocognitive decline during toddlerhood and multi-system dysfunction. It is now standa...

    Authors: Elsa G. Shapiro, Chester B. Whitley and Julie B. Eisengart

    Citation: Orphanet Journal of Rare Diseases 2018 13:76

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  41. Content type: Review

    Naxos disease, first described by Dr. Nikos Protonotarios and colleagues on the island of Naxos, Greece, is a special form of arrhythmogenic right ventricular dysplasia (ARVD). It is an inherited condition wit...

    Authors: Guo-Liang Li, Ardan M. Saguner and Guy H. Fontaine

    Citation: Orphanet Journal of Rare Diseases 2018 13:74

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  42. Content type: Research

    Epilepsy is a heterogeneous disease with a broad phenotypic spectrum and diverse genotypes. A significant proportion of epilepsies has a genetic aetiology.

    Authors: David Staněk, Petra Laššuthová, Katalin Štěrbová, Markéta Vlčková, Jana Neupauerová, Marcela Krůtová and Pavel Seeman

    Citation: Orphanet Journal of Rare Diseases 2018 13:71

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