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| занятия спортом ("... it is not known whether engagement in sports is protective." (Sports engagement and age at first myocardial infarction in men under 55 years of age) vatnik) | |||
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| занятия спортом ("... it is not known whether engagement in sports is protective." (Sports engagement and age at first myocardial infarction in men under 55 years of age) vatnik) | |||