(Q35993019)
Statements
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Methods to assess intended effects of drug treatment in observational studies are reviewed (English)
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Bruce M Psaty
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Olaf H Klungel
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Edwin P Martens
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Diederik E Grobbee
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Sean D Sullivan
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Bruno H Ch Stricker
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Hubert G M Leufkens
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A de Boer
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1 December 2004
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Identifiers
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