Considering usual medical care in clinical trial design.

Dawson L, Zarin DA, Emanuel EJ, Friedman LM, Chaudhari B, Goodman SN

PLoS Med. 2009 Sep;6(9):e1000111. doi: 10.1371/journal.pmed.1000111. Epub 2009 Sep 29.

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Abstract:

Dawson L, Zarin DA, Emanuel EJ, Friedman LM, Chaudhari B, Goodman SN. Considering usual medical care in clinical trial design. 
PLoS Med. 2009 Sep;6(9):e1000111. doi: 10.1371/journal.pmed.1000111. Epub 2009 Sep 29.

PMID | PMCID