The aging male: Relationship between male age, sperm quality and sperm DNA damage in an unselected population of 3124 men attending the fertility centre for the first time oleh Alessandro Colasante, Maria Giulia Minasi, Filomena Scarselli, Valentina Casciani, Vincenzo Zazzaro, Alessandra Ruberti, Pierfrancesco Greco, Maria Teresa Varricchio, Ermanno Greco