@misc{9315,
  author = {H. Forbes and K. Bhaskaran and S. Thomas and L. Smeeth and T. Clayton and S. Langan},
  title = {Quantification of risk factors for herpes zoster: population based case-control study},
  year = {2014},
  journal = {Bmj},
  volume = {348},
  pages = {g2911},
  issn = {0959-8138},
  doi = {10.1136/bmj.g2911},
}