Al Shamma’a, Haider. 2014. “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 56 (2): 147-50. https://doi.org/10.32007/jfacmedbagdad.562455.