Kogawa A, Salgado HRN. Quantitative analysis of pharmaceutical products by spectrophotometry in the infrared region: a practical review. Drug Anal. Res. [Internet]. 2023 Jan. 15 [cited 2026 Aug. 3];6(2):3-7. Available from: https://seer.ufrgs.br/index.php/dar/article/view/127631