A. A. Mehde, karima F. Ali, and W. A. Mehdi, “Study the Effect of Folic Acid as A supplement on Selected Oxidative Stress and Biochemical Parameters in First Trimester of Pregnancy”, Iraqi Journal of Pharmaceutical Sciences , vol. 22, no. 1, pp. 50–55, Mar. 2017, doi: 10.31351/vol22iss1pp50-55.