@article{a399eabfc337422e9be9d7265d235854,
  title   = "No more arbitrary upper age limits for clinical research",
  author  = "M.E.T. McMurdo",
  year    = "2012",
  volume  = "344",
  number  = "7861",
  journal = "British Medical Journal",
  issn    = "1756-1833",
}