Year: 2005Publication Type: Journal Article - Multi-AuthorJournal Volume: 267Page Range: 135-142Article/Chapter Title: Sperm competition and the evolution of sperm midpiece volume in mammalsJournal Name: Journal of ZoologyAuthor Name/Init: Author Surname: AndersonAuthor Initials: M.J. Author Surname: NyholtAuthor Initials: J. Author Surname: DixsonAuthor Initials: A.F.