Antioxidant metabolism of coffee cell suspension cultures in response to cadmium - Gomes-Junior, Rui A; Moldes, Carlos Alberto; Delite, Fabricio de Souza; Pompeu, Georgia Bertoni; Gratão, Priscila Lupino; Mazzafera, Paulo; Lea, Peter J; Azevedo, Ricardo Antunes (Chemosphere, 2006)