TY - JOUR T1 - Extended Physical Therapy with Progressive Resistance Training Improved Function in Frail Elderly Patients with Hip Fracture Y1 - 2005/02/01 N1 - JO - The Journal of Bone & Joint Surgery SP - 466 EP - 466 VL - 87 IS - 2 N2 - SN - 0021-9355 M3 - doi: UR - http://dx.doi.org/ ER -