Shimizu, M Porcelain gallbladder: relation between its type by ultrasound and incidence of cancer. [electronic resource] - Journal of clinical gastroenterology Aug 1989 - 471-6 p. digital Publication Type: Case Reports; Journal Article; Review ISSN: 0192-0790 Subjects--Topical Terms: AgedCalcinosis--diagnosisCholelithiasis--diagnosisFemaleGallbladder Diseases--diagnosisGallbladder Neoplasms--diagnosisHumansUltrasonography