Variation in the estimated prevalence of multimorbidity: systematic review and meta-analysis of 193 international studies
Iris Szu-Szu Ho, Amaya Azcoaga-Lorenzo, Ashley Akbari, Jim Davies, Peter Hodgins, Kamlesh Khunti, Umesh Kadam, Ronan Lyons, Colin McCowan, Stewart W Mercer, Krishnarajah Nirantharakumar, Bruce Guthrie
BMJ Open Apr 2022, 12 (4) e057017; DOI: 10.1136/bmjopen-2021-057017