[Congenital anal atresia and megacolon].
D001003:Anal Canal / Q000002:abnormalities*; D001006:Anus, Imperforate; D008531:Megacolon / Q000209:etiology*
ANUS/abnormalities; MEGACOLON/etiology and pathogenesis
Atresia anal congénita e megacólon.