Lane, Joseph M Bisphosphonate use for ≥5 years increased risk for subtrochanteric or femoral shaft fractures. [electronic resource] - The Journal of bone and joint surgery. American volume Aug 2011 - 1546 p. digital Publication Type: Comment; Journal Article ISSN: 1535-1386 Standard No.: 10.2106/JBJS.9316.ebo781 doi