Hospitalizations for biliary tract disease, 1990.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002769:Cholelithiasis / Q000453:epidemiology / Q000628:therapy*; D005260:Female; D006760:Hospitalization / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012237:Rhode Island / Q000453:epidemiology