RT Journal T1 Bisphosphonate Use for ≥5 Years Increased Risk for Subtrochanteric or Femoral Shaft Fractures JF The Journal of Bone & Joint Surgery JO The Journal of Bone & Joint Surgery YR 2011 FD August 17 VO 93 IS 16 SP 1546 OP 1546 DO 10.2106/JBJS.9316.ebo781 UL http://dx.doi.org/10.2106/JBJS.9316.ebo781 AB