Data discrepancies and substandard reporting of interim data of Sputnik V phase 3 trial. - Bucci, Enrico M; Berkhof, Johannes; Gillibert, André; Gopalakrishna, Gowri; Calogero, Raffaele A; Bouter, Lex M; Andreev, Konstantin; Naudet, Florian; Vlassov, Vasiliy (Lancet, 2021)