1. Acute cholecystitis;Behrend;J. Internat. College Surgeons,1950
2. Experiences with 1356 cases of cholecystitis and cholelithiasis;Colcock;Surg., Gynec. & Obst.,1955
3. Perforation of the gall bladder;Cowley;Surg., Gynec. & Obst.,1943
4. Gallstone ileus;Deckoff;Ann. Surg.,1955
5. Gangrenous perforation of the gall bladder;Diffenbaugh;Arch. Surg.,1949