title: Retraction: Expression of phosphodiesterase type 5A in human spermatozoa and influence of its inhibition on motility and functional sperm parameters.
abstract: The paper entitled "Expression of phosphodiesterase type 5A in human spermatozoa and influence of its inhibition on motility and functional sperm parameters" by C. Foresta et al, which was published online on 1 July 2010, has been withdrawn at the authors' request.
authors.affiliation: Department of Histology, Microbiology and Medical Biotechnologies, Section of Clinical 11 Pathology, Centre for Male Gamete Cryopreservation, University of Padua, Padua, Italy. carlo.foresta@unipd.it.
authors.forename: C
authors.initials: C
authors.lastname: Foresta
authors.forename: M A
authors.initials: MA
authors.lastname: Pati
authors.forename: L
authors.initials: L
authors.lastname: Perilli
authors.forename: M
authors.initials: M
authors.lastname: Menegazzo
authors.forename: D
authors.initials: D
authors.lastname: Zuccarello
authors.forename: A
authors.initials: A
authors.lastname: Ferlin
authors.forename: A
authors.initials: A
authors.lastname: Garolla