L. Phithawutthikorn, 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”, JPNHS, vol. 13, no. 2, pp. 290–299, Jun. 2022.