1
Published 1988
Subjects: ...AIDS (Disease) -- Prevention -- Government policy -- United States....
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2
Published 2012
Subjects: ...Tobacco -- Risk assessment -- Research -- United States....
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3
Published 1988
Subjects: ...Public health administration -- Research -- United States....
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4
Published 1997
Subjects: ...Science -- Study and teaching -- Research -- United States....
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6
Published 1995
Subjects: ...Public health -- Research -- United States....
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