Fatima, Kaniz, et al. “Comparison of Effectiveness of Vaginal Versus Intramuscular Progesterone for the Prevention of Preterm Delivery”. Pakistan Armed Forces Medical Journal, vol. 76, no. SUPPL-3, Apr. 2026, pp. S598-S601, https://doi.org/10.51253/pafmj.v76iSUPPL-3.13488.