RT Journal Article SR Electronic T1 Transparency of COVID-19 vaccine trials: decisions without data JF BMJ Evidence-Based Medicine JO BMJ EBM FD BMJ Publishing Group Ltd SP 199 OP 205 DO 10.1136/bmjebm-2021-111735 VO 27 IS 4 A1 Tanveer, Sarah A1 Rowhani-Farid, Anisa A1 Hong, Kyungwan A1 Jefferson, Tom A1 Doshi, Peter YR 2022 UL http://ebm.bmj.com/content/27/4/199.abstract AB