Chompootaweep, S., Tang-Usaha, C., Kochagarn, E., & Theppitaksak, B. (2015). A Survey Study on Attitudes of Thai Women in Accepting Norplant® Implants and Norplant-2® Implants. Journal of Basic and Applied Pharmacology, 26(1), 58. retrieved from https://li01.tci-thaijo.org/index.php/JBAP/article/view/36456