@misc{9376,
  author = {C. Cardwell and H. Coleman and L. Murray and F. Entschladen and D. Powe},
  title = {Beta-blocker usage and breast cancer survival: a nested case-control study within a UK clinical practice research datalink cohort},
  year = {2013},
  journal = {Int J Epidemiol},
  volume = {42},
  number = {6},
  pages = {1852-61},
  issn = {0300-5771},
  doi = {10.1093/ije/dyt196},
}