Fariha Aslam Bajwa, Nayyer Sultana, Ameelia Sadaqat, Abida Riaz and Mirza Zeeshan Sikandar 2024. Factors contributing to preterm birth in patients presenting at tertiary care hospitals in Punjab. Journal of the Pakistan Medical Association. 74, 3 (Feb. 2024), 504–508. DOI:https://doi.org/10.47391/JPMA.9474.