of COVID-19 on loneliness, mental health, and health service
utilisation: a prospective cohort study of older adults with
multimorbidity in primary care
Samuel Yeung Shan Wong, Dexing Zhang, Regina Wing Shan Sit, Benjamin Hon Kei Yip, Roger Yat-nork Chung, Carmen Ka Man Wong, Dicken Cheong Chun Chan, Wen Sun, Kin On Kwok and Stewart W Mercer
British Journal of General Practice 2020; 70 (700): e817-e824.