Letrozole-associated controlled ovarian hyperstimulation in breast cancer patients versus conventional controlled ovarian hyperstimulation in infertile patients: assessment of oocy... oleh Oranite Goldrat, Geraldine Van Den Steen, Eric Gonzalez-Merino, Julie Dechène, Christine Gervy, Anne Delbaere, Fabienne Devreker, Viviane De Maertelaer, Isabelle Demeestere