“Prevalence of Premenstrual Syndrome and Changes in Blood Pressure with Menstrual Cycle Among University Students” (2021) Nigerian Journal of Physiological Sciences, 33(2), hlm. 117–124. Tersedia pada: https://www.ojshostng.com/index.php/njphysiologicalsciences/article/view/1898 (Diakses: 5 April 2026).