Tiwari, Tanu, et al. “Formation Development and Evaluation of Microsphere of Sulfasalazine for the Treatment Inflammatory Bowel Diseases”. Journal of Drug Delivery and Therapeutics, vol. 11, no. 5-S, Dec. 2021, pp. 124-7, https://doi.org/10.22270/jddt.v11i5-S.5120.