MATANGKHA, K.; RINTRA, J.; PUNYAHOTARA, V.; SITTIPRAPAPORN, P. Prevalence of Psychiatric Symptoms Associated with Vitamin D Level in Long COVID: Preliminary Study. Greater Mekong Subregion Medical Journal, Chiangrai, Thailand, v. 5, n. 3, p. 149–158, 2025. Disponível em: https://he02.tci-thaijo.org/index.php/gmsmj/article/view/274023. Acesso em: 16 sep. 2026.