43
by Chou, Roger, Clark, Elizabeth, Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality

47
by Chou, Roger
Published 2015
Agency for Healthcare Research and Quality

49
by Chou, Roger
Published 2012
Agency for Healthcare Research and Quality

51
by Chou, Roger
Published 2007
Oregon Health & Science University

53
by Chou, Roger
Published 2007
Oregon Health & Science University

54
by Chou, Roger
Published 2012
Agency for Healthcare Research and Quality

57
by Chou, Roger
Published 2014
Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services

59
by Chou, Roger
Published 2020
Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services

60
by Chou, Roger, Korthuis, P. Todd, Huffman, Laurie, Smits, Ariel K.
Published 2005
Agency for Healthcare Research and Quality (US)