@article{article28ca9fb7, title = {Enantioselective analysis of oxybutynin and N-desethyloxybutynin with application to an in vitro biotransformation study}, author = {Fonseca, PatrĂ­cia da and Freitas, Luis Alexandre Pedro de and Pinto, Luis Felipe Ribeiro and Pestana, Cezar Rangel and Bonato, Pierina Sueli}, year = {2008}, journal = {Journal of Chromatography B} }