Wanichapichat, W., Lerttrongjitr, N., Thossapoldet, P., Sommart, S., Sengpanich, P., Sujitkiddee, S., & Tangchitphisut, P. (2026). Knowledge, Awareness and Attitude about Human Papilloma Virus (HPV) Infection and HPV Vaccination among Adolescents in Chiang Rai, Thailand. Greater Mekong Subregion Medical Journal, 6(1), 23–31. retrieved from https://he02.tci-thaijo.org/index.php/gmsmj/article/view/278094