Antioxidant response of Nicotiana tabacum cv. Bright Yellow 2 cells to cadmium and nickel stress - Gratão, Priscila Lupino; Pompeu, Georgia Bertoni; Capaldi, Flávia Regina; Vitorello, Victor Alexandre; Lea, Peter John; Azevedo, Ricardo Antunes de (Plant Cell, Tissue and Organ Culture, 2008)