Iris Szu-Szu Ho, IrisAzcoaga-Lorenzo, AmayaAkbari, AshleyBlack, CorriDavies, JimHodgins, PeterKhunti, KamleshKadam, Umesh T.Lyons, Ronan A.McCowan, ColinMercer, Stewart W.Nirantharakumar, KrishnarajahGuthrie, Bruce2021-08-032021-08-032021-08Iris Szu-Szu Ho, I, Azcoaga-Lorenzo, A, Akbari, A, Black, C, Davies, J, Hodgins, P, Khunti, K, Kadam, U T, Lyons, R A, McCowan, C, Mercer, S W, Nirantharakumar, K & Guthrie, B 2021, 'Examining variation in the measurement of multimorbidity in research : a systematic review of 566 studies', The Lancet Public Health, vol. 6, no. 8, pp. e587-e597. https://doi.org/10.1016/S2468-2667(21)00107-92468-2667https://hdl.handle.net/2164/16907Funding: Health Data Research UK (CFC0110) Acknowledgements This project was funded by HDR UK (CFC0110). We would like to express our appreciation to the wider HDR UK National Multimorbidity Resource for support.11884324engSDG 3 - Good Health and Well-beingR MedicineOtherCFC0110Supplementary DataRJournal article10.1016/S2468-2667(21)00107-968