Batista José Gomes, Soares José Maria, Maganhin Carla Cristina, Simões Ricardo Santos, Tomaz Geraldez, Baracat Edmund Chada
Gynecology Department, Federal University of São Paulo, São Paulo, SP, Brazil.
Clinics (Sao Paulo). 2012;67(3):283-7. doi: 10.6061/clinics/2012(03)14.