R. S. Potawale, R. M. Gilhotra, and S. Y. Gabhe, “LIQUID CHROMATOGRAPHY TANDEM-MASS SPECTROMETRY METHOD DEVELOPMENT AND VALIDATION FOR SIMULTANEOUS ANALYSIS OF PARACETAMOL, GUAIFENESIN, PHENYLEPHRINE HYDROCHLORIDE, CHLORPHENIRAMINE MALEATE, AND AMBROXOL HYDROCHLORIDE IN BULK AND IN TABLET DOSAGE FORM”, Asian J Pharm Clin Res, vol. 11, no. 7, pp. 375–382, Jul. 2018.