RT Book, Section A1 Ropper, Allan H. A2 Kasper, Dennis A2 Fauci, Anthony A2 Hauser, Stephen A2 Longo, Dan A2 Jameson, J. Larry A2 Loscalzo, Joseph SR Print(0) ID 1120819490 T1 Concussion and Other Traumatic Brain Injuries T2 Harrison's Principles of Internal Medicine, 19e YR 2014 FD 2014 PB McGraw-Hill Education PP New York, NY SN 9780071802154 LK accessmedicine.mhmedical.com/content.aspx?aid=1120819490 RD 2021/02/28 AB Almost 10 million head injuries occur annually in the United States, about 20% of which are serious enough to cause brain damage. Among men 70% of these involve head injury. Furthermore, minor head injuries are so common that almost all physicians will be called upon to provide immediate care or to see patients who are suffering from various sequelae.