Article
Effect of Cognitive Activity Level on Duration of Post-Concussion Symptoms
Naomi J. Brown, Rebekah C. Mannix, Michael J. O’Brien, David Gostine, Michael W. Collins and William P. Meehan
Pediatrics February 2014, 133 (2) e299-e304; DOI: https://doi.org/10.1542/peds.2013-2125
Naomi J. Brown
aDivision of Sports Medicine, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania;
Rebekah C. Mannix
bDivision of Emergency Medicine,
cBrain Injury Center, and
Michael J. O’Brien
cBrain Injury Center, and
dThe Micheli Center for Sports Injury Prevention, Waltham, Massachusetts; and
eSports Concussion Clinic, Division of Sports Medicine, Children’s Hospital Boston, Boston, Massachusetts;
David Gostine
eSports Concussion Clinic, Division of Sports Medicine, Children’s Hospital Boston, Boston, Massachusetts;
Michael W. Collins
fSports Concussion Program, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
William P. Meehan III
bDivision of Emergency Medicine,
cBrain Injury Center, and
dThe Micheli Center for Sports Injury Prevention, Waltham, Massachusetts; and
eSports Concussion Clinic, Division of Sports Medicine, Children’s Hospital Boston, Boston, Massachusetts;

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Effect of Cognitive Activity Level on Duration of Post-Concussion Symptoms
Naomi J. Brown, Rebekah C. Mannix, Michael J. O’Brien, David Gostine, Michael W. Collins, William P. Meehan
Pediatrics Feb 2014, 133 (2) e299-e304; DOI: 10.1542/peds.2013-2125
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