[On the microstructure of cholelithiasis by soft roentgenography. 1].
D001663:Bilirubin / Q000032:analysis; D002769:Cholelithiasis / Q000000981:diagnostic imaging*; D002784:Cholesterol / Q000032:analysis; D006801:Humans; D011859:Radiography
D002784:Cholesterol; D001663:Bilirubin