Players may undergo concussions.Logical formLearned from2 sentences. A diagnosis may show concussions.Logical formLearned from2 sentences. A concussion can be in a match.Logical formLearned from2 sentences. A cerebral concussion can be during a training.Logical formLearned from2 sentences. A (brain concussion) can be mild.Logical formLearned from2 sentences. Defenseman may drop_out for a concussion.Logical formLearned from2 sentences. A daughter may be treated for concussions.Logical formLearned from2 sentences. Studies can be on concussions.Logical formLearned from2 sentences. A history of concussion may contribute to sudden death.Logical formLearned from2 sentences. A risk can be for concussion.Logical formLearned from2 sentences. A concussion can be on a hit.Logical formLearned from2 sentences. Symptoms may result from concussion.Logical formLearned from2 sentences. An athlete may be suspected of a concussion.Logical formLearned from2 sentences. Concussions may undergo an identification.Logical formLearned from2 sentences. A person may suffer a concussion from a hit.Logical formLearned from2 sentences.