Iqbal, Mehir un Nisa, Fatima Noor, and Taseer Khan. “Genetic Variations of Brain Derived Neurotropic Factor Gene With Premenstrual Syndrome Among Pakistani Menarcheal Girls: A Pilot Study”. BioSight 1, no. 2 (December 31, 2020): 11–15. Accessed January 4, 2026. http://biosight.org/index.php/bios/article/view/7.