MEDINA-LÓPEZ JR, PACHECO PINEDA JG, ROJAS GARFIAS PA, CASTRO CHÁVEZ N. DERIVATIVES OF THE RATIO SPECTRA FOR DETERMINATION OF ACETYLSALICYLIC ACID, ACETAMINOPHEN, AND CAFFEINE IN FIXED-DOSE COMBINATION FORMULATIONS: APPLICATION TO DISSOLUTION STUDIES. Int J App Pharm [Internet]. 2020 Nov. 7 [cited 2024 Apr. 24];12(6):253-7. Available from: https://journals.innovareacademics.in/index.php/ijap/article/view/39417