TY - GEN AU - Theeler,Brett J AU - Flynn,Frederick G AU - Erickson,Jay C TI - Chronic daily headache in U.S. soldiers after concussion SN - 1526-4610 PY - 2013///0510 KW - Adult KW - Afghan Campaign 2001- KW - Brain Concussion KW - complications KW - Cross-Sectional Studies KW - Female KW - Headache Disorders KW - epidemiology KW - Humans KW - Iraq War, 2003-2011 KW - Male KW - Military Personnel KW - Severity of Illness Index KW - Surveys and Questionnaires KW - United States N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1111/j.1526-4610.2012.02112.x ER -