Raishem Ali1 , Shahida Karamat2 , Saira Saeed3 , Areeba Jawaid4 , Samreen Kazmi5 , Naseem Mallah6 . COMPARISON OF MICRONIZED PROGESTERONE VERSUS NIFEDIPINE IN PREVENTION OF PRETERM LABOR. JPUMHS 2023, 13, 59-64.