[Associated diseases of the biliary tract, stomach and duodenum].
D001660:Biliary Tract Diseases / Q000150:complications*; D004378:Duodenal Diseases / Q000150:complications*; D006801:Humans; D008875:Middle Aged; D013272:Stomach Diseases / Q000150:complications*
O sochetannykh zabolevaniiakh zhelchnykf puteĭ, zheludka i dvenadtsiatiperstnoĭ kishki.