3
by Shipman, Scott, Helfand, Mark, Nygren, Peggy, Bougatsos, Christina
Published 2006
Agency for Healthcare Research and Quality (US)

6
by Shipman, Scott, Helfand, Mark, Nygren, Peggy, Bougatsos, Christina
Published 2006
Agency for Healthcare Research and Quality (US)

7
by Nelson, Heidi D., Nygren, Peggy, McInerney, Yasmin
Published 2004
Agency for Healthcare Research and Quality (US)

10
by Nelson, Heidi D., Nygren, Peggy, McInerney, Yasmin
Published 2004
Agency for Healthcare Research and Quality (US)

11
by Nelson, Heidi D., Nygren, Peggy, Walker, Miranda, Panoscha, Rita
Published 2006
Agency for Healthcare Research and Quality (US)

13
by Nelson, Heidi D., Nygren, Peggy, Walker, Miranda, Panoscha, Rita
Published 2006
Agency for Healthcare Research and Quality (US)