Adriani F, BACHRI M, Sinaga SM. DEVELOPMENT AND VALIDATION OF DOUBLE DIVISOR RATIO SPECTRA DERIVATIVE SPECTROPHOTOMETRY METHOD FOR TERNARY MIXTURE OF GUAIFENESIN, DEXTROMETHORPHAN HBR, AND DIPHENHYDRAMINE HCL IN TABLET DOSAGE FORM. Asian J Pharm Clin Res [Internet]. 2018 Apr. 26 [cited 2024 Apr. 27];11(13):1-3. Available from: https://journals.innovareacademics.in/index.php/ajpcr/article/view/26550