Novel Method for Quantification of Residual Solvent by Head-Space Gas Chromatography for Phenylephrine Hydrochloride USP. International Journal of Pharmaceutical Sciences and Drug Research, [S. l.], v. 17, n. 2, p. 176–184, 2025. DOI: 10.25004/IJPSDR.2025.170208. Disponível em: https://ijpsdronline.com/index.php/journal/article/view/10546.. Acesso em: 16 oct. 2025.