title: Familial ectrodactyly and polydactyly: variable expressivity of one single gene--embryological considerations.
mesh_terms: D000015:Abnormalities, Multiple / Q000000981:diagnostic imaging / Q000235:genetics*; D004200:Diseases in Twins; D005260:Female; D005385:Fingers / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000196:embryology; D005808:Genes, Recessive; D006801:Humans; D007231:Infant, Newborn; D007621:Karyotyping; D008297:Male; D010375:Pedigree; D011247:Pregnancy; D011859:Radiography