[The value of studying duodenal contents in the diagnosis of diseases of the biliary tract and duodenum].
D001660:Biliary Tract Diseases / Q000175:diagnosis*; D004378:Duodenal Diseases / Q000175:diagnosis*; D006801:Humans; D008722:Methods
Znachenie issledovaniia duodenal'nogo soderzhimogo v diagnostike zabolevanii zhelchevyvodiashchikh putei i dvenadtsatiperstnoi kishki.