@misc{9445,
  author = {J. Erviti and A. Alonso and J. Gorricho and A. Lopez},
  title = {Oral bisphosphonates may not decrease hip fracture risk in elderly Spanish women: a nested case-control study},
  year = {2013},
  journal = {BMJ Open},
  volume = {3},
  number = {2},
  issn = {2044-6055 (Print) 2044-6055},
  doi = {10.1136/bmjopen-2012-002084},
}