Fig. 1From: Lack of controlled studies investigating the risk of postpartum haemorrhage in cesarean delivery after prior use of oxytocin: a scoping reviewPRISMA flow diagram: Results of the bibliographic literature search in Medline, Embase, Web of Science, and the Cochrane Library in May 2016 (as published by Moher D et al. in BMJ 2009;339:b2535). RCT: randomized controlled trialBack to article page