Tanslaruk, U., M. Puntumetakul, K. Seejorn, and T. Srisith. “Effect of Long Acting Indomethacin on Oligospermic Patients : Preliminary Report”. Srinagarind Medical Journal, vol. 4, no. 2, Nov. 2013, pp. 83-87, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13487.