„Prevalence of Premenstrual Syndrome and Changes in Blood Pressure with Menstrual Cycle Among University Students“ (2021) Nigerian Journal of Physiological Sciences, 33(2), стр. 117–124. Available at: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1898 (приступљено: 4 Април 2026).