Sandra, Alia. “The Number of Vaginal Epithellial and Neutrophil Strongly Correlates With the Occurrence of Premature Delivery”. Indonesian Journal of Obstetrics and Gynecology 37, no. 2 (April 18, 2013): 82–85. Accessed March 18, 2026. https://www.inajog.com/index.php/journal/article/view/342.