Julia Hippisley-Cox professor of clinical epidemiology and general practice, Carol Coupland professor of medical statistics in primary care
Hippisley-Cox J, Coupland C.
Development and validation of QMortality risk prediction algorithm to estimate short term risk of death and assess frailty: cohort study
BMJ 2017; 358 :j4208
doi:10.1136/bmj.j4208