Calculous biliary tract disease an increasing burden on surgical facilities.
D000328:Adult; D000367:Age Factors; D000368:Aged; D001344:Autopsy; D002763:Cholecystectomy; D002769:Cholelithiasis / Q000453:epidemiology / Q000601:surgery*; D005260:Female; D006801:Humans; D007198:Indians, North American; D007350:Insurance, Hospitalization; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D012737:Sex Factors; D014481:United States