title: Is cryopreservation of sperm effective for preserving fertility in adolescents and young adults with cancer?
authors.affiliation: Sol and Margaret Berger Department of Urology, Beth Israel Medical Center, New York, NY 10003, USA.
authors.forename: James M
authors.initials: JM
authors.lastname: Bresee
authors.forename: Harris M
authors.initials: HM
authors.lastname: Nagler