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机译:COVID-19 Risk in Youth Club Sports: A Nationwide Sample Representing More Than 200 000 Athletes
Dept Kinesiol,Univ Wisconsin;
Dept Orthoped & Rehabil,Univ Wisconsin;
Key Words; coronavirus; pandemic; SARS-CoV-2; adoles-cents; mask use; PHYSICAL-ACTIVITY; UNITED-STATES; CHILDHOOD; FLORIDA;