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2. Change in cholelithiasis and recent operative result at the department;Maki;Therapy (Chiryo),1967
3. Quantitative microanalysis of gallstones;Nakayama;J Lab Clin Med,1968
4. Gallstone of unusual composition: calcite, aragonite and vaterite;Sutor;Science,1968
5. Uber die chemische Zusammensetzung der Gallensteine;Nishimura;J Biochem (Tokyo),1938