Development of Normal Reference Values for Seminal Reactive Oxygen Species and Their Correlation With Leukocytes and Semen Parameters in a Fertile Population - Athayde, Kelly S.; Cocuzza, Marcello; Agarwal, Ashok; Krajcir, Natalie; Lucon, Antônio Marmo; Srougi, Miguel; Hallak, Jorge (Journal of Andrology, 2007)