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1Academic Journal
المؤلفون: Marais, Jandre V., Jansen van Rensburg, Audrey, Schwellnus, Martin P., Jordaan, Esme, Boer, Pieter
المساهمون: South African Medical Research Council
المصدر: The Physician and Sportsmedicine ; volume 52, issue 6, page 568-578 ; ISSN 0091-3847 2326-3660