Al Shamma’a, Haider. “The Association Between Abnormal Vaginal Microbial Flora and Preterm Labor. Does a Simple Gram’s Stain of Vaginal Swab Gives More Useful Data Than Culture ?”. Journal of the Faculty of Medicine Baghdad, vol. 56, no. 2, July 2014, pp. 147-50, https://doi.org/10.32007/jfacmedbagdad.562455.