Chanchaem R, Montientong D, Puanfai S (2018) “Prevalence of Neuropsychiatric Symptoms in Patients with Dementia; A Study in Chiangmai Neurological Hospital”, Journal of The Department of Medical Services, 43(6), pp. 96–100. available at: https://he02.tci-thaijo.org/index.php/JDMS/article/view/247689 (accessed: 26 September 2026).