Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEFFECTS OF REPEATEDLY HEADING A SOCCER BALL ON SERUM LEVELS OF TWO NEUROTROPHIC FACTORS OF BRAIN TISSUE, BDNF AND NGF, IN PROFESSIONAL SOCCER PLAYERS.AuthorsBamaç, B.; Tamer, G. S.; Colak, T.; Colak, E.; Seyrek, E.; Duman, C.; Colak, S.; Ãzbek, A.PublicationBiology of Sport, 2011, Vol 28, Issue 3, p177ISSN0860-021XPublication typeJournal ArticleDOI10.5064/959284