1. Congenital absence of the gallbladder and cystic duct associated with primary carcinoma of the common bile duct;Richards;Can Med Assoc J,1966
2. Agenesis of the gallbladder;Wilson;Surgery,1986
3. Agenesis of the gallbladder without extrabepatic biliary atresia;Bennion;Arch Surg,1988
4. Hereditary gallbladder agenesis;Nadeau;J Maine Med Assoc,1972
5. Agenesis of the gallbladder in adults;Raule;Br J Surg,1994