(Q45239068)
Statements
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Clinical complexity and epidemiologic uncertainty in case-control research. Fenoterol and asthma management (English)
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R I Horwitz
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W Spitzer
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S Buist
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D Cockcroft
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P Ernst
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B Habbick
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B Hemmelgarn
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M McNutt
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A S Rebuck
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S Suissa
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1 December 1991
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100
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6
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1586-1591
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Identifiers
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