Fig. 1From: The effect of human gene therapy for RPE65-associated Leber’s congenital amaurosis on visual function: a systematic review and meta-analysisFlow diagram of studies identified, included and excluded. 132 publications were identified from the literature research. Of these, 23 duplicates were removed, 23 were animal models, 20 were irrelevant topics, 22 were reviews, 19 were duplicate reports, 9 were meeting abstracts, and 10 were studies with not relevant data reportedBack to article page