Manjhi PK, Singh SK, Kumar C, Rana AK. Rational use and cost variation analysis of antitussive-expectorants available in the Indian market: a pharmacoeconomic study. Int J Basic Clin Pharmacol [Internet]. 2021 Nov. 22 [cited 2025 Oct. 23];10(12):1342-7. Available from: https://www.ijbcp.com/index.php/ijbcp/article/view/4896