Clinical drug trials in general practice: how well are external validity issues reported?
Crossref DOI link: https://doi.org/10.1186/s12875-017-0680-7
Published Online: 2017-12-29
Published Print: 2017-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Brænd, Anja Maria http://orcid.org/0000-0003-0940-7555
Straand, Jørund
Klovning, Atle
Funding for this research was provided by:
The Norwegian Research Fund for General Practice
