1. Bacteria and biliary tract disease;Goswitz;Am J Surg,1974
2. Anaerobic and aerobic bacteriological studies in biliary tract disease;Nielson;Scand J Gastroenterol,1976
3. Micro-organisms in the bile: a preventable cause of sepsis after biliary surgery;Keighly;Ann R Coll Surg Engl,1977
4. Primary common bile duct stones and bile infection;Lygidakis,1981
5. Wound infection after biliary tract surgery;Randall;Br J Clin Pract,1980