The Critical Role Of Observational Evidence In Comparative Effectiveness Research
2011 ◽
Vol 13
(1)
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pp. 42-45
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2019 ◽
Vol 37
(29)
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pp. 2695-2696
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2010 ◽
Vol 13
(8)
◽
pp. 989-997
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2012 ◽
Vol 30
(34)
◽
pp. 4194-4201
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