Raishem Ali1 , Shahida Karamat2 , Saira Saeed3 , Areeba Jawaid4 , Samreen Kazmi5 , Naseem Mallah6 ., “COMPARISON OF MICRONIZED PROGESTERONE VERSUS NIFEDIPINE IN PREVENTION OF PRETERM LABOR”., JPUMHS, vol. 13, no. 2, pp. 59–64, Jun. 2023.