Jiamton S, Leeyaphan C, Junsuwan N, Chanyachailert P, Omcharoen V. Concomitant Primary and Secondary Syphilis: A Case Series from STD Clinic, Siriraj Hospital. Siriraj Med J [Internet]. 2018 Mar. 9 [cited 2024 Apr. 27];70(1):81-6. Available from: https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/114930