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"performance-enhancing drugs" » "performance-enhanced drugs", "performance-enhancing designs"
"performance-enhancing drug" » "performance-enhanced drug", "performance-enhancing design"
"performance-enhancing data" » "performance-enhancing a"

1
by Conrad, Mark
Published 2011
Routledge
Table of Contents: .... Sports injuries -- 10. Performance-enhancing drugs in sports -- 11. Discrimination in sports -- 12...

2
by Huntsman, Jon M.
Published 2010
FTPress Delivers
... fit, talented athletes inject themselves with performance-enhancing drugs? How can some folks who...