Biliary-tract disease in Malaya.
D000367:Age Factors; D001660:Biliary Tract Diseases / Q000453:epidemiology* / Q000601:surgery; D002681:China; D002761:Cholangitis / Q000453:epidemiology; D002764:Cholecystitis / Q000453:epidemiology; D002769:Cholelithiasis / Q000453:epidemiology; D005006:Ethnicity; D007194:India; D008296:Malaysia; D009765:Obesity / Q000453:epidemiology; D012737:Sex Factors