Promdee, Limthong, and Thanida Pongsritasana. “Zinc level in seminal plasma of infertile men”. Srinagarind Medical Journal 20, no. 1 (November 25, 2013): 38–42. accessed September 17, 2026. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/14573.