Mycoplasma arthritidis superantigen induces nitric oxide production in murine macrophages by lymphocytes dependent mechanism - Shio, Marina Tiemi; Dias, Fatima Ribeiro; Oliani, A P C; Timenetsky, Jorge; Metran, Camila Cardoso; Jancar, Sonia (Revista da Sociedade Brasileira de Medicina Tropical, 2001)