Access

You are not currently logged in.

Access JSTOR through your library or other institution:

login

Log in through your institution.

If You Use a Screen Reader

This content is available through Read Online (Free) program, which relies on page scans. Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Journal Article

Pico: Written Informed Consent and Selection Bias in Observational Studies Using Medical Records: Systematic Review

Michelle E. Kho, Mark Duffett, Donald J. Willison, Deborah J. Cook and Melissa C. Brouwers
BMJ: British Medical Journal
Vol. 338, No. 7698 (Apr. 4, 2009), p. 822
Published by: BMJ
Stable URL: http://www.jstor.org/stable/20512543
Page Count: 1
Were these topics helpful?
See somethings inaccurate? Let us know!

Select the topics that are inaccurate.

Cancel
  • Read Online (Free)
  • Subscribe ($19.50)
  • Add to My Lists
  • Cite this Item
Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Preview not available
Preview not available

Page Thumbnails

  • Thumbnail: Page 
822
    822