A. B. Al-Obaidi, A. G. Hussain, and H. A. Shamran, “Spontaneous Abortion and Failure of Human Cytotrophoblasts to adopt a vascular adhesion phenotype”, J Fac Med Baghdad, vol. 48, no. 4, pp. 402–406, Jul. 2007, doi: 10.32007/jfacmedbagdad.4841465.