Phithawutthikorn, L., N. Chumpathat, J. Kompayak, P. Thammawijaya, and N. Ngsarmjiratam. “FACTORS ASSOCIATED WITH SYPHILIS INFECTION AMONG MALE CLIENTS ATTENDING SEXAULLY TRANSMITTED INFECTION CLINIC IN URBAN AREA”. 2021. JOURNAL OF THE POLICE NURSES AND HEALTH SCIENCE, vol. 13, no. 2, June 2022, pp. 290-9, https://he01.tci-thaijo.org/index.php/policenurse/article/view/246194.