Observational studies in systemic reviews of comparative effectiveness: AHRQ and the Effective Health Care Program

2011 ◽  
Vol 64 (11) ◽  
pp. 1178-1186 ◽  
Author(s):  
Susan L. Norris ◽  
David Atkins ◽  
Wendy Bruening ◽  
Steven Fox ◽  
Eric Johnson ◽  
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2011 ◽  
Vol 64 (11) ◽  
pp. 1208-1215 ◽  
Author(s):  
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Margaret Maglione ◽  
Roger Chou ◽  
Chantelle Garritty ◽  
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2011 ◽  
Vol 64 (11) ◽  
pp. 1198-1207 ◽  
Author(s):  
David Atkins ◽  
Stephanie M. Chang ◽  
Gerald Gartlehner ◽  
David I. Buckley ◽  
Evelyn P. Whitlock ◽  
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2010 ◽  
Vol 63 (5) ◽  
pp. 502-512 ◽  
Author(s):  
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Naomi Aronson ◽  
David Atkins ◽  
Afisi S. Ismaila ◽  
Pasqualina Santaguida ◽  
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