title: Hereditary abductor--opponens agenesis. Report of a family with congenital muscle defects of the thenar eminence.
mesh_terms: D000328:Adult; D000013:Congenital Abnormalities / Q000235:genetics; D006228:Hand Deformities, Congenital; D006801:Humans; D008297:Male; D009132:Muscles / Q000002:abnormalities*; D010375:Pedigree