title: [Changing of cholelithiasis with time and the classification of cholelithiasis].
authors: T
authors: T
authors: Sato
authors: N
authors: N
authors: Suzuki
mesh_terms: D002119:Calcium Carbonate / Q000032:analysis; D002769:Cholelithiasis / Q000032:analysis / Q000145:classification*; D002784:Cholesterol / Q000032:analysis; D006801:Humans; D013997:Time Factors
chemical_list: D002784:Cholesterol; D002119:Calcium Carbonate