Negative ion 'chip-based' nanospray tandem mass spectrometry for the analysis of flavonoids in glandular trichomes of flavonoids in glandular trichomes of Lychnoplora ericoides Mart. (Asteraceae) - Gobbo Neto, Leonardo; Gates, Paul J.; Lopes, Norberto Peporine (Rapid Communications in Mass Spectrometry, 2008)