TY - JOUR AU - Casanueva Freijo, Felipe PY - 2011 SN - 0304-3959 UR - http://hdl.handle.net/20.500.11940/5757 LA - eng TI - Elevated levels of gonadotrophins but not sex steroids are associated with musculoskeletal pain in middle-aged and older European men. DO - 10.1016/j.pain.2011.01.048 T2 - PAIN M2 - 1495 VL - 152 ER -