R. Grant Steen

We don’t have enough information about this author to calculate their statistics. If you think this is an error let us know.
Learn More
BACKGROUND A substantial fraction of all American healthcare expenditures are potentially wasted, and practices that are not evidence-based could contribute to such waste. We sought to characterize whether Prothrombin Time (PT) and activated Partial Thromboplastin Time (aPTT) tests of preoperative patients are used in a way unsupported by evidence and(More)
  • 1