Protective role of glutathione against the cytotoxic effect of nitric oxide on macrophages and Leishmania major - Roosevelt, P T R; Fonseca, S G; Hothersall, J S; Noronha-Dutra, A; Cunha, Fernando de Queiroz (Reunião Anual da Federação de Sociedades de Biologia Experimental, 1997)