Controlled ovarian stimulation with exclusive FSH followed by stimulation with hCG alone, FSH alone or hMG - Gomes, Mariana K. O; Vieira, Carolina Sales; Moura, Marcos Dias de; Manetta, Luiz Alberto; Leite, Stael Porto; Reis, Rosana Maria dos; Ferriani, Rui Alberto (European Journal of Obstetrics and Gynecology and Reproductive Biology, 2007)