Sultana, Sayeeda, and Balaji Nagarajan. “SIMULTANEOUS TRACE LEVEL DETERMINATION OF BENZENE AND 1, 2-DICHLOROETHANE BY GC-HS/GC-MS IN SEVERAL PHARMACEUTICAL DRUG SUBSTANCES”. International Journal of Applied Pharmaceutics 11, no. 1 (January 7, 2019): 82–88. Accessed February 7, 2023. https://innovareacademics.in/journals/index.php/ijap/article/view/28983.