Shirinzad, Mehdi. “Relationship Between Plasma Concentrations of Maternal Zinc During Pregnancy and the Risk for Orofacial Cleft”. Asian Journal of Pharmaceutics (AJP) 12, no. 02 (August 18, 2018). Accessed January 28, 2023. http://asiapharmaceutics.info/index.php/ajp/article/view/2373.