Thapa M, Saha R, Pradhan A, Shrestha S. Effectiveness of drotaverine hydrochloride in progression of labour. Nepal J Obstet Gynaecol [Internet]. 2008 Nov. 17 [cited 2025 Dec. 6];2(2):9-11. Available from: https://nepjol.info/index.php/NJOG/article/view/1447