1. 2007a. The British Pharmacopoeia. The Stationary Office under license from the controller of Her Majesty's stationary office for the department of health.
2. 2007b. Differentiating Ulcerative Colitis from Crohn Disease in Children and Young Adults: Report of a Working Group of the North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition and the Crohn's and Colitis Foundation of America, Journal of Pediatric Gastroenterology and Nutrition, pp. 653–674.
3. Freeze-drying of nanoparticles: formulation, process and storage considerations;Abdelwahed;Adv. Drug Deliv. Rev.,2006
4. Formulation and Evaluation of Certain Gastroretentive Systems;AbouGhaly,2009
5. Colon-targeted oral drug delivery systems: design trends and approaches;Amidon;AAPS PharmSciTech,2015