Sebaiy MM, Mattar AAE-H. Spectrum subtraction method for simultaneous determination of acetaminophen and caffeine in panadol extra dosage forms. Eur. J. Chem. [Internet]. 2020 Mar. 31 [cited 2025 Jan. 31];11(1):80-3. Available from: https://mail.eurjchem.com/index.php/eurjchem/article/view/1956