Larissa Shamseer, David Moher, Mike Clarke, Davina Ghersi, Alessandro Liberati, Mark Petticrew et al
Shamseer L, Moher D, Clarke M, Ghersi D, Liberati A, Petticrew M et al.
Preferred reporting items for systematic review and meta-analysis protocols (PRISMA-P) 2015: elaboration and explanation
BMJ 2015; 349 :g7647
doi:10.1136/bmj.g7647