R. U. Rahmadani, A. Sulistyono, Y. Yulistiani, and M. Yahya, “PHOSPHATIDYLGLYCEROL STUDY AS FETAL LUNG MATURATION PARAMETER AFTER DEXAMETHASONE ADMINISTRATION FOR WOMEN AT RISK OF PRETERM BIRTH”, FMI, vol. 52, no. 4, pp. 264–269, Aug. 2017.