Chandanabodhi, S., Boontan, K. and Chiravacharadej, G. (2003) “Birth Control in Married Women : Study in Postpartum Women at Siriraj Hospital”, Siriraj Medical Journal, 55(10), pp. 599–604. available at: https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/245451 (accessed: 20 September 2026).