@article{18489,
  author = {Clark T. and Reid I. and Gray H. and Dunn L. and Rodgers A and Neal Bruce and Macmahon S},
  title = {A systematic overview of 13 randomised trials of non-steroidal anti-inflammatory drugs for the prevention of heterotopic bone formation after major hip surgery},
  year = {1999},
  journal = {Acta Orthopaedica Scandinavica},
  volume = {71},
  pages = {111-21},
  language = {eng},
}