«Prevalence of Premenstrual Syndrome and Changes in Blood Pressure with Menstrual Cycle Among University Students» (2021) Nigerian Journal of Physiological Sciences, 33(2), с. 117–124. доступний у: https://www.ojshostng.com/index.php/njphysiologicalsciences/article/view/1898 (дата звернення: 21 Травень 2026).