Bucci EM, Berkhof J, Gillibert A, Gopalakrishna G, Calogero RA, Bjorkman A , Bouter LM, Andreev K, Naudet F, Vlassov V. Rapid Response: concerns with the Sputnik V vaccine data. BMJ Rapid Response 2021, 6 April (https://www.bmj.com/content/372/bmj.n743/rr-1)