1. WHO . Multimorbidity: technical series on safer primary care. World Health Organization; 2016. Available: https://apps.who.int/iris/handle/10665/252275%0Ahttps://apps.who.int/iris/handle/10665/252275
2. Age, sex, and socioeconomic differences in multimorbidity measured in four ways: UK primary care cross-sectional analysis
3. Variation in the estimated prevalence of Multimorbidity: systematic review and meta-analysis of 193 International studies;Ho;BMJ Open,2022
4. Examining variation in the measurement of Multimorbidity in research: a systematic review of 566 studies;Ho;Lancet Public Health,2021
5. The Academy of medical sciences. Multimorbidity: a priority for global health research. The Academy of Medical Sciences; 2018. Available: https://acmedsci.ac.uk/file-download/82222577