Considering usual medical care in clinical trial design.

Dawson, Liza; Zarin, Deborah A; Emanuel, Ezekiel J; Friedman, Lawrence M; Chaudhari, Bimal; Goodman, Steven N · PLoS Med · 2009

review · Level V

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Abstract

Liza Dawson and colleagues discuss the scientific and ethical issues associated with choosing clinical trial designs when there is no consensus on what constitutes usual care.

Medical subject headings