@misc{8306,
  author = {S. Pye and T. Sheppard and R. Joseph and M. Lunt and N. Girard and J. Haas and D. Bates and D. Buckeridge and T. van Staa and R. Tamblyn and W. Dixon},
  title = {Assumptions made when preparing drug exposure data for analysis have an impact on results: An unreported step in pharmacoepidemiology studies},
  year = {2018},
  journal = {Pharmacoepidemiol Drug Saf},
  volume = {27},
  number = {7},
  pages = {781-788},
  issn = {1053-8569},
  doi = {10.1002/pds.4440},
}