Sinawat, S., J. Pattamadilok, and K. Seejorn. “Tubal Infertility in Srinagarind Hospital”. Srinagarind Medical Journal, vol. 19, no. 3, Nov. 2013, pp. 131-5, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/14543.