Placebo use and outcome quality: A protocol for systematic review and meta-analysis.
Juliana Carvalho Rocha Alves da SilvaKesley Pablo Morais de AzevedoCecília Menezes FarinassoDayde Lane Mendonça da SilvaCristine Miron StefaniAna Claudia Morais Godoy FigueiredoPatrícia Medeiros de SouzaGrasiela PiuvezamHelaine Carneiro CapuchoPublished in: Medicine (2020)
PROSPERO CRD42018110829.