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2. Vaginal infections among pregnant women at Omdurman Maternity Hospital in Khartoum, Sudan
3. Predictive value of various risk factors for preterm labor
4. Infection and preterm birth
5. Mochtar A. Persalinan Preterm. In: P.T SA, editor. Ilmu Kebidanan Sarwono Prawirohardjo: Jakarta: Bina Pustaka Sarwono Prawirohardjo; 2016 b.