Contacting authors to retrieve individual patient data: study protocol for a randomized controlled trial
Crossref DOI link: https://doi.org/10.1186/s13063-016-1238-z
Published Online: 2016-03-15
Published Print: 2016-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Veroniki, Areti Angeliki
Straus, Sharon E.
Ashoor, Huda
Stewart, Lesley A.
Clarke, Mike
Tricco, Andrea C.