APISITWITTAYA, W. Novel Influenza A (H1N1) in Phichit Province. Journal of Health Science of Thailand, [S. l.], v. 19, n. 5, p. 737–746, 2018. Disponível em: https://thaidj.org/index.php/JHS/article/view/1507. Acesso em: 5 dec. 2025.