TY - JOUR AU - Casanueva Freijo, Felipe PY - 2012 SN - 0804-4643 UR - http://hdl.handle.net/20.500.11940/4728 LA - eng TI - Association of hypogonadism with vitamin D status: The European Male Ageing Study DO - 10.1530/EJE-11-0743 T2 - EUROPEAN JOURNAL OF ENDOCRINOLOGY M2 - 77 VL - 166 ER -