AFL apologises to players in concussion study after review finds it produced no published research

Multimillion-dollar study led by Dr Paul McCrory led to confusion' among player participants over tests and procedures, review says

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A massive AFL study which promised to make groundbreaking" findings about concussion resulted in no published research and confusion" about what happened to tests performed on players, a review into the work of the league's former concussion adviser, Dr Paul McCrory, has found.

On Tuesday, the AFL apologised to players involved in the study and admitted they were let down".

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