Nitric oxide-derived species in synovial fluid from patients with juvenile idiopathic arthritis - Lotito, Ana Paola N.; Muscará, Marcelo Nicolás; Kiss, Maria Helena B.; Teixeira, Simone A.; Novaes, Gilberto S.; Laurindo, Ieda Maria M.; Silva, Clovis Artur Almeida da; Mello, Suzana Beatriz V. (Journal of Rheumatology,, 2004)