Sharmin S, Khanam S, Saha SC, Naher FK, Jahan M, Shukla J, et al. Intramuscular Pethidine for Pain Relief in the First Stage of Labor. Ibrahim card. med. j. [Internet]. 2019 Mar. 4 [cited 2025 Sep. 9];7(1-2):99-106. Available from: https://banglajol.info/index.php/ICMJ/article/view/53965