Chandeying, Verapol, Steven Skov, David Farrell, Surachai Lamlertkittikul, Putchart Lamlertkittikul, Sepehr Tabrizi, and Jintana Pradutkanchana. 2017. “A comparison of firtst-void urine, self-administered low vaginal swab, self-inserted tampon, and endocervical swab using PCR tests for the Detection of Infection with Chlamydia Trachomatis in Commercial Sex Workers and Women Attending Gynecology Outpatien”. Thai Journal of Obstetrics and Gynaecology 14 (3). Bangkok, Thailand:201. https://he02.tci-thaijo.org/index.php/tjog/article/view/92445.