By Miller Bridget   Bartholomew John   Springer Barbara   in Journal of Applied Sport Psychology

ISSN:1041-3200|17|4|263-272

Routledge Ltd‎(2005)‎

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By Doukas William C.   Springer Barbara A.   Doukas William C.   in Military Medicine

ISSN:1930-613X|171|3|203-205

AMSUS - Association of Military Surgeons of the U.S.‎(2006)‎

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By Roy Tanja C.   Springer Barbara A.   McNulty Vancil   Butler Nikki L.   in Military Medicine

ISSN:1930-613X|175|8|14-20

AMSUS - Association of Military Surgeons of the U.S.‎(2010)‎

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