Silva CS da, Michelin MA, Etchebehere RM, Adad SJ, Murta EFC. Local lymphocytes and nitric oxide synthase in the uterine cervical stroma of patients with grade III cervical intraepithelial neoplasia . Clinics. 2010;65(6):575-581. doi:10.1590/S1807-59322010000600003