Antakli, Saad, Raghad Kabani, and Duha Shawa. “Determination of Preservative Parabens in Oral and Injection Formulations by HPLC”. Asian Journal of Chemistry 25, no. 2 (September 10, 2012): 1123–1128. Accessed July 22, 2024. https://asianpubs.org/index.php/ajchem/article/view/25_2_121.