Cheung G., Chai Y., Troya M.I, Luo H..  2022.  Predictive factors of nonfatal self-harm among community-dwelling older adults assessed for support services. International Psychogeriatrics. 34(9):813-826.

van Almenkerk S., Depla M.FIA, Smalbrugge M., Eefsting J.A, Hertogh C.MPM.  2015.  Pain among institutionalized stroke patients and its relation to emotional distress and social engagement. International Journal of Geriatric Psychiatry. 30(10):1023-1031.