Hatem, A.A. and Ali, H.A. 2021. Polymorphism of Catalase Gene and Serum Antioxidant Level in Iraqi Women Suffering from Spontaneous Abortion: doi.org/10.26538/tjnpr/v5i7.4. Tropical Journal of Natural Product Research (TJNPR). 5, 7 (Jul. 2021), 1192–1195.