title: [Dissolution of biliary calculi with ursodeoxycholic acid: spectrographic study of undissolved calculi].
mesh_terms: D000328:Adult; D000368:Aged; D001663:Bilirubin / Q000032:analysis; D002769:Cholelithiasis / Q000188:drug therapy* / Q000378:metabolism; D002784:Cholesterol / Q000032:analysis; D003840:Deoxycholic Acid / Q000031:analogs & derivatives*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012995:Solubility; D013057:Spectrum Analysis; D014463:Ultrasonography; D014580:Ursodeoxycholic Acid / Q000627:therapeutic use*
chemical_list: D003840:Deoxycholic Acid; D014580:Ursodeoxycholic Acid; D002784:Cholesterol; D001663:Bilirubin
vernacular_title: Disolución de cálculos biliares con ácido ursodesoxicólico: estudio espectrográfico de los cálculos no disueltos.