Figure 1From: HHT diagnosis by Mid-infrared spectroscopy and artificial neural network analysisSecond derivative spectra of healthy control and genetically confirmed HHT patients. Shown is the mean spectrum of all 191 control spectra in green and the mean spectrum of 63 patient spectra in red for spectral regions 3150–2750 cm-1 (A) and 1.850 - 750 cm-1 (B).Back to article page