Hollow fiber-based liquid-phase microextraction (HF-LPME) of isradipine and its main metabolite followed by chiral HPLC analysis: application to an in vitro biotransformation study - Simões, Rodrigo Almeida; Oliveira, Anderson Rodrigo Moraes de; Bonato, Pierina Sueli (Analytical and Bionalytical Chemistry, 2011)