“Effects of Serotonin, Melatonin, and Zinc Levels on Prolactin Hormone in Hyperprolactinemic Patients in Basrah Governorate, Iraq”. Tropical Journal of Natural Product Research 6, no. 5 (May 1, 2022): 740–744. Accessed January 1, 2026. https://www.tjnpr.org/index.php/home/article/view/56.