@misc{9963,
  author = {S. Hernandez-Diaz and L. Rodriguez},
  title = {Cardioprotective aspirin users and their excess risk of upper gastrointestinal complications},
  year = {2006},
  journal = {BMC Med},
  volume = {4},
  pages = {22},
  issn = {1741-7015},
  doi = {10.1186/1741-7015-4-22},
}