.Maad M. Shalal, A. N. Al-Bassam, and B. A. Alwan, “Maternal Serum Zinc level in pregnant women with second trimester induced abortion with anencephalic fetus”, JFacMedBagdad, vol. 54, no. 1, pp. 23–27, Apr. 2012, doi: 10.32007/jfacmedbagdad.541765.