American Football and COVID-19: reducing on-field exposures to respiratory particles - Langon, T. N.; Hill, W. C.; Rogers, M. B.; Goforth, M.; MacCuspie, R. I.; Duma, S. M.; Hull, M. S. (The Sport Journal, 2021)
Keywords: American football; disease; virus; infection; prevention; competition; playing field; health; respiration; lungs; sports medicine; USA; sport games