@misc{10311,
  author = {M. Langman and K. Cheng and E. Gilman and R. Lancashire},
  title = {Effect of anti-inflammatory drugs on overall risk of common cancer: case-control study in general practice research database},
  year = {2000},
  journal = {Bmj},
  volume = {320},
  number = {7250},
  pages = {1642-6},
  issn = {0959-8138 (Print) 0959-8138},
}