1
by Helfand, Mark
Published 2008
Department of Veterans Affairs, Health Services Research & Development Service
Subjects: '; ...Outcome Assessment, Health Care...

2
by Chou, Roger, Helfand, Mark, Peterson, Kim, Dana, Tracy
Published 2006
Oregon Health & Science University
Subjects: '; ...Outcome Assessment, Health Care / s...

3
by Helfand, Mark
Published 2005
Oregon Health & Science University, Evidence-Based Practice Center
Subjects: '; ...Outcome Assessment, Health Care / s...

4
by Helfand, Mark
Published 2006
Oregon Health & Science University, Evidence-Based Practice Center
Subjects: '; ...Outcome Assessment, Health Care / s...