@misc{9952,
  author = {F. de Vries and P. Souverein and C. Cooper and H. Leufkens and T. van Staa},
  title = {Use of beta-blockers and the risk of hip/femur fracture in the United Kingdom and The Netherlands},
  year = {2007},
  journal = {Calcif Tissue Int},
  volume = {80},
  number = {2},
  pages = {69-75},
  issn = {0171-967X (Print) 0171-967x},
  doi = {10.1007/s00223-006-0213-1},
}