Primary outcome switching among drug trials with and without principal investigator financial ties to industry: a cross-sectional study
Christopher W Jones, Benjamin S Misemer, Timothy F Platts-Mills, Rosa Ahn, Alexandra Woodbridge, Ann Abraham, Susan Saba, Deborah Korenstein, Erin Madden, Salomeh Keyhani
BMJ Open Feb 2018, 8 (2) e019831; DOI: 10.1136/bmjopen-2017-019831