[Study on the chemical compositions of biliary calculi in Americans, with special reference to the cases in Philadelphia].
D001647:Bile Acids and Salts / Q000032:analysis*; D001654:Bile Pigments / Q000032:analysis*; D002769:Cholelithiasis / Q000378:metabolism*; D002784:Cholesterol / Q000032:analysis*; D006801:Humans; D010414:Pennsylvania
D001647:Bile Acids and Salts; D001654:Bile Pigments; D002784:Cholesterol