Essay Essays are opinion pieces on a topic of broad interest to a general medical audience.

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Observational Research, Randomised Trials, and Two Views of Medical Science

  • Jan P Vandenbroucke
  • Published: March 11, 2008
  • DOI: 10.1371/journal.pmed.0050067

About the Author

Competing Interests

The author has declared that no competing interests exist.