MEDINA-LOPEZ JR, GONZALEZ-SALAZAR OA, CONTRERAS-JIMENEZ JM. SIMULTANEOUS QUANTIFICATION OF ACETYLSALICYLIC ACID AND CAFFEINE IN TABLETS BY FIRST-ORDER DERIVATIVE SPECTROSCOPY. Int J App Pharm [Internet]. 2022 Jul. 7 [cited 2024 Aug. 25];14(4):200-4. Available from: https://journals.innovareacademics.in/index.php/ijap/article/view/44998