Effects of anastrozole on Ki-67 antigen expression in the vaginal epithelium of female rats in persistent estrus. - Chagas DC; Barros-Oliveira MDC; Lopes-Costa PV; Pereira RO; Melo MA; Costa-Silva DR; Borges CS; Viana JL; Santos ARD; Facina G; Silva BBD (Clinics (Sao Paulo, Brazil), 2020)