1
by Humphrey, Linda L., Chan, Benjamin, Detlefsen, Stephanie, Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)

2
by Humphrey, Linda L., Takano, Lina M. A., Chan, Benjamin
Published 2002
Agency for Healthcare Research and Quality (US)

3
by Humphrey, Linda L., Takano, Lina M. A., Chan, Benjamin
Published 2002
Agency for Healthcare Research and Quality (US)

4
by Humphrey, Linda L., Chan, Benjamin, Detlefsen, Stephanie, Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)