title: Sperm retrieval in adolescent males with Klinefelter syndrome: medical and ethical issues.
authors.affiliation: 1 Department of Pediatrics, University of Virginia School of Medicine, Charlottesville, Virginia, USA ; 2 Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark.
authors.forename: Alan D
authors.initials: AD
authors.lastname: Rogol
authors.affiliation: 1 Department of Pediatrics, University of Virginia School of Medicine, Charlottesville, Virginia, USA ; 2 Department of Growth and Reproduction, Rigshospitalet, Copenhagen, Denmark.
authors.forename: Niels E
authors.initials: NE
authors.lastname: Skakkebaek