Hippisley-Cox J, Patone M, Mei XW, Saatci D, Dixon S, Khunti K, Zaccardi F, Watkinson P, Shankar-Hari M, Doidge J, Harrison DA, Griffin SJ, Sheikh A, and Coupland CAC
BMJ (Clinical research ed.). Aug 2021
(DOI : 10.1136/bmj.n1931)