[Spontaneous external biliary fistula in asymptomatic lithiasis].
D001658:Biliary Fistula / Q000209:etiology*; D002769:Cholelithiasis / Q000150:complications*; D017577:Cutaneous Fistula; D006801:Humans; D020347:Lithiasis
BILIARY FISTULA/etiology; CHOLELITHIASIS/complications