Ningrum, A. G.; Frety, E. E.; Diah, I.; Shabran, Z. H.; Setiani, R. E.; Dewi, E. R. 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 Maced J Med Sci 2021, 9, 1535-1540.