1. Common Duct Stones;Colcock;Surg. Clin. North America,1958
2. Perforation of Gallbladder;Cowley;Surg. Gynec. & Obst.,1943
3. Acute Cholecystitis: Correlation of Bacteriology and Mortality;Goldman;Gastroenterology,1948
4. Torsion of Gallbladder;Rais;Acta chir. scandinav.,1957
5. Acute Obstructive Cholangitis. A Distinct Clinical Syndrome;Reynolds;Ann. Surg.,1959