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• r  according to need (physicians use PRN in writing prescriptions)

• as required
• pro re nata
• PRN

News & Articles

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• ECB to keep policy easy as long as needed - Noyer
  PARIS (Reuters) - The European Central Bank's monetary policy will remain loose as long as needed and it could take further actions if warranted by economic developments, ECB policymaker Christian Noyer ...
  June 26, 2013 - Reuters via Yahoo! Finance
• Hunger strikers protest deep cuts to Philadelphia schools
  By Daniel Kelley PHILADELPHIA (Reuters) - Children wrote letters. Parents staged rallies in Pennsylvania. But Earlene Bly, a hotel housekeeper, didn't feel like anyone was listening. A more dramatic gesture was needed, Bly thought, to protest an austerity budget passed last month that stripped Philadelphia public schools of art and music, nurses and librarians, guidance counselors, assistant ...
  June 26, 2013 - Reuters via Yahoo! News