Ningrum, A.G., Frety, E.E., Diah, I., Shabran, Z.H., Setiani, R.E. and Dewi, E.R. 2021. Antioxidant Activity of Purslane (Portulaca oleracea L.) Leaf Extract on the Levels of Ovarian Oxidative Stress and Reproductive Hormone in Rattus norvegicus Exposed to Cigarette Smoke. Open Access Macedonian Journal of Medical Sciences. 9, B (Sep. 2021), 1535–1540. DOI:https://doi.org/10.3889/oamjms.2021.7081.