Received: August 13, 2010; Received in revised form: October 13, 2010; Accepted: November 2, 2010; Published Online: December 01, 2010 Are serum levels of vitamin D associated with semen quality? Results from a cross-sectional study in young healthy men Cecilia Høst Ramlau-Hansen, Ph.D., Ulla Kristine Moeller, M.H.Sc., Jens Peter Bonde, Ph.D., Jørn Olsen, Ph.D., Ane […] Read more…