TY  - JOUR 
AU  - Casanueva Freijo, Felipe
PY  - 2013
SN  - 0002-0729
UR  - http://hdl.handle.net/20.500.11940/4052
LA  - eng
TI  - The association of frailty with serum 25-hydroxyvitamin D and parathyroid hormone levels in older European men
DO  - 10.1093/ageing/afs162
T2  - AGE AND AGEING
M2  - 352
VL  - 42
ER  -