@misc{9247,
  author = {S. Weich and H. Pearce and P. Croft and S. Singh and I. Crome and J. Bashford and M. Frisher},
  title = {Effect of anxiolytic and hypnotic drug prescriptions on mortality hazards: retrospective cohort study},
  year = {2014},
  journal = {Bmj},
  volume = {348},
  pages = {g1996},
  issn = {0959-8138},
  doi = {10.1136/bmj.g1996},
}