[1]
Purba, E. 2012. The Salivary Estriol Level was Higher in Preterm Delivery Compared to that in Preterm Pregnancy. Indonesian Journal of Obstetrics and Gynecology. 36, 2 (Apr. 2012), 66–70. DOI:https://doi.org/10.32771/inajog.v36i2.289.