Agha, Zehra, et al. “EFFECT OF SINGLE ORAL DOSE OF MELATONIN ON PLASMA CONCENTRATION OF PROLACTIN AND CORTISOL IN MALE RHESUS MONKEYS”. Pakistan Journal of Physiology, vol. 6, no. 2, Dec. 2010, pp. 32-36, https://pjp.pps.org.pk/index.php/PJP/article/view/804.