Ma, N. Y. C., H. L. I. Lam, and P. H. J. Wan. “Relationship Between Psychiatric Illness, Cognitive Impairment and Physical Comorbidities in Older Adults: A Transdiagnostic Case-Control Study”. Journal of Asian Medical Students’ Association, July 2023, https://jamsa.amsa-international.org/index.php/main/article/view/615.