@misc{9895,
  author = {J. Delaney and E. Moodie and S. Suissa},
  title = {Validating the effects of drug treatment on blood pressure in the General Practice Research Database},
  year = {2008},
  journal = {Pharmacoepidemiol Drug Saf},
  volume = {17},
  number = {6},
  pages = {535-45},
  issn = {1053-8569},
  doi = {10.1002/pds.1553},
}