1. Infection of the biliarly tree;Keighley,1988
2. The incidence of bacteria in gallbladder at acute and elective cholecystectomy;Truedson;Acta Chir Scand,1983
3. Biliary bacteria;Pitt;Arch Surg,1982
4. Infection and the biliary tree;Keighley;Clinical Surgery International. The Biliary Tract,1987
5. Systemic antibiotics;Galland;Clinical Surgery International. Infection and the Surgical Patient,1982