Observational studies in systemic reviews of comparative effectiveness: AHRQ and the Effective Health Care Program
2011 ◽
Vol 64
(11)
◽
pp. 1178-1186
◽
2008 ◽
Vol 24
(1)
◽
pp. 67-70
◽
Keyword(s):
2010 ◽
Vol 63
(5)
◽
pp. 491-501
◽
Keyword(s):
2011 ◽
Vol 64
(11)
◽
pp. 1208-1215
◽
Keyword(s):
2010 ◽
Vol 63
(5)
◽
pp. 479-480
◽
2007 ◽
Vol 13
(1 Supp A)
◽
pp. 19-20
2011 ◽
Vol 64
(11)
◽
pp. 1198-1207
◽
Keyword(s):
2010 ◽
Vol 63
(5)
◽
pp. 502-512
◽
Keyword(s):
2005 ◽
Vol 20
(6)
◽
pp. 358-360
◽
Keyword(s):