1. Intraperitoneal drain in cholelithiasis operations;Borgstrom;Acta Chir Scand Suppl,1977
2. Cholecystectomy with drainage factors influencing wound infection in 1,000 elective cases;Todd;Am J Surg,1978
3. The rational use of drains after cholecystectomy;Gupta;Surg Gynecol Obstet,1978
4. Review of 555 cholecystectomies without drainage;Carpenter;Am Surg,1978