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Estimation of Salbutamol, Bromhexine, Guaifenesin, Methyl hydroxybenzoate and Propyl hydroxybenzoate in Multicomponent Cough Expectorant syrup by HPLC. Int. J. Environ. Sci. [Internet]. 2025 Jun. 18 [cited 2025 Sep. 18];:816-48. Available from: https://theaspd.com/index.php/ijes/article/view/2140