Development and validation of a high-performance liquid chromatographic method for determination of the aporphine isocorydine in Annona squamosa L. (Annonaceae) - Erdelyi, Maria Carolina; García, Pedro López; Gomes, Fábio Pereira; Kedor-Hackmann, Erika Rosa Maria; Santoro, Maria Inês Rocha Miritello; Fischer, Dominique Corinne Hermine (AOAC Europe Section International Workshop, 2008)