Role of early GnRH administration in sexual behavior disorders of rat pups perinatally exposed to lead - Sant'Ana, M. G.; Spinosa, Helenice de Souza; Florio, Jorge Camilo; Bernardi, Maria Martha; Oliveira, Cláudio Alvarenga de; Sarkis, Jorge Eduardo de Souza; Kakazu, Mauricio Hiromitu (Neurotoxicology and Teratology, 2001)