TY - CONF AU - Caeiro Rey, José Ramón PY - 2013 SN - 0937-941X UR - http://hdl.handle.net/20.500.11940/3874 LA - eng TI - Burden of first osteoporotic hip fracture in spain: results of the interim analysis of a 12-month, prospective, observational study VL - 24 ER -