M. A. Al Janabi, A. J. Mohamed Ameen, and D. A. Ali Al-Eqabi, “The effect of pregnancy on peak expiratory flow rate in comparison with non-pregnant Iraqi women Sample in MARJAN Teaching Hospital”, JFacMedBagdad, vol. 58, no. 4, pp. 384–386, Jan. 2016, doi: 10.32007/jfacmedbagdad.584290.