Fatima, K. et al. 2026. Comparison of Effectiveness of Vaginal Versus Intramuscular Progesterone for the Prevention of Preterm Delivery. Pakistan Armed Forces Medical Journal. 76, SUPPL-3 (Apr. 2026), S598-S601. DOI:https://doi.org/10.51253/pafmj.v76iSUPPL-3.13488.