[EPIDEMIOLOGY, ETIOLOGY AND PATHOGENESIS OF BILIARY TRACT DISEASES].
D001657:Biliary Dyskinesia; D001659:Biliary Tract; D002763:Cholecystectomy; D002764:Cholecystitis; D002769:Cholelithiasis; D002784:Cholesterol / Q000097:blood*; D003604:Czechoslovakia; D005745:Gastric Acidity Determination; D006801:Humans; D009017:Morbidity
D002784:Cholesterol
BILIARY DYSKINESIA; BILIARY TRACT; BLOOD CHOLESTEROL; CHOLECYSTECTOMY; CHOLECYSTITIS; CHOLELITHIASIS; CZECHOSLOVAKIA; GASTRIC ACIDITY DETERMINATION; MORBIDITY
EPIDEMIOLOGIE, ETIOLOGIE A PATOGENESE NEMOC'I  ZLU COV'YCH CEST.