Keywords “Boxing” and “Physiology”, or Concepts Related to Those Keywords

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Google and Medline search engines

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Journal papers abstracts and/or

full-texts contents

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Pertinence analysis

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Pertinent or not pertinent

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Literature selection or rejection, respectively

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Printed documents (books, journal papers, …)

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Printed documents

contents

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Pertinence analysis

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Pertinent or not pertinent

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Literature selection or rejection, respectively