D. R, Haripriya V. Comparative study of efficacy of nifedipine, nitroglycerin dermal patches and isoxsuprine as tocolytic agents in suppression of preterm labour 1-year study at navodaya medical college hospital and research centre Raichur. Int J Reprod Contracept Obstet Gynecol [Internet]. 2021 Jun. 28 [cited 2025 Dec. 4];10(7):2806-10. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/10318