จิตต์นุพงศ์ บุญพันธ์ ม.; ปานเพชร เ. Clinical characteristics of elderly psychiatric inpatients: a retrospective study. Region 11 Medical Journal, [S. l.], v. 33, n. 1, p. 103–114, 2019. Disponível em: https://he02.tci-thaijo.org/index.php/Reg11MedJ/article/view/188359. Acesso em: 20 sep. 2026.