Longitudinal studies that use data collected as part of usual care risk reporting biased results: a systematic review
Crossref DOI link: https://doi.org/10.1186/s12874-017-0418-1
Published Online: 2017-09-06
Published Print: 2017-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Farzanfar, Delaram http://orcid.org/0000-0003-2112-2181
Abumuamar, Asmaa
Kim, Jayoon
Sirotich, Emily
Wang, Yue
Pullenayegum, Eleanor
Funding for this research was provided by:
Natural Sciences and Engineering Research Council of Canada