Wangroongsarb, P., Kortporm, W., Petkanjanapong, W. and Naigowit, P. (2001) “Prevalence of Antibody to Chlamydophila pneumoniae in children”, Archives of Allied Health Sciences. Khon Kaen, Thailand, 13(3), pp. 192–199. available at: https://he01.tci-thaijo.org/index.php/ams/article/view/65952 (accessed: 12 September 2026).