Formulation, in vitro drug release and in vivo human X-ray investigation of polysaccharide based drug delivery systems for targeting 5-fluorouracil to the colon . Braz. J. Pharm. Sci. [Internet]. 2013 Jun. 1 [cited 2024 May 4];49(2):263-7. Available from: https://www.revistas.usp.br/bjps/article/view/68957