Chautrakarn, S., W. . Khumros, S. . Phonphithak, and P. . Phutrakool. “Sexual Behavior and Sexual Partner Change Patterns in Men Who Have Sex With Men in Bangkok”. Journal of Nursing, Siam University, vol. 22, no. 42, July 2021, pp. 75-84, https://he01.tci-thaijo.org/index.php/nursingsiamjournal/article/view/248391.