CONTACT US: Contact info
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Citation |
Ryan AJ. Br. J. Sports Med. 1991; 25(2): 81-86. |
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Affiliation |
Sports Medicine Enterprise, Minneapolis, MN 55436. |
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Copyright |
(Copyright © 1991, BMJ Publishing Group) |
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DOI |
unavailable |
PMID |
1751894 |
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PMCID |
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Abstract |
unavailable. |