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20 дек 2009 г. - New Return-To-Play guidelines

Описание:

The NFL announces stricter return-to-play guidelines saying a player that exhibits concussion symptoms shouldn't play the same day.

Добавлено на ленту времени:

How football has gotten where they are with concussions

ByMatthew LaPorte

23 ноя 2017

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646

Дата:

20 дек 2009 г.

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~ 15 г назад

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