@article{18259,
  author = {Collins R. and Pulmonary Embolism Prevention (PEP) Trial Collaborative Group Writing Committee and Prentice C. and Rodgers A and Macmahon S},
  title = {Prevention of pulmonary embolism and deep vein thrombosis with low dose aspirin: the Pulmonary Embolism Prevention (PEP) Trial},
  year = {2000},
  journal = {Lancet},
  volume = {355},
  pages = {1294-302},
  language = {eng},
}