Urbach, D R Colon and rectal anastomoses do not require routine drainage: a systematic review and meta-analysis. [electronic resource] - Annals of surgery Feb 1999 - 174-80 p. digital Publication Type: Journal Article; Meta-Analysis; Systematic Review ISSN: 0003-4932 Standard No.: 10.1097/00000658-199902000-00003 doi Subjects--Topical Terms: Anastomosis, SurgicalColon--surgeryDrainageHumansPostoperative Complications--prevention & controlRandomized Controlled Trials as TopicRectum--surgery