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15 dic 2009 año - NFL Spokesman acknowledges concussions' long-term effects

Descripción:

NFL Spokesman Greg Aiello tells The New York Times that the research that's been done has shown that concussions can lead to long-term problems.

Añadido al timeline:

How football has gotten where they are with concussions

ByMatthew LaPorte

23 nov 2017

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15 dic 2009 año

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