The problem of mild head injury.
D000293:Adolescent; D002543:Cerebral Hemorrhage / Q000175:diagnosis / Q000209:etiology; D006259:Craniocerebral Trauma / Q000150:complications* / Q000175:diagnosis; D005194:Family Practice; D005260:Female; D006406:Hematoma / Q000175:diagnosis / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012887:Skull Fractures / Q000000981:diagnostic imaging / Q000209:etiology; D013313:Stress Disorders, Post-Traumatic / Q000517:prevention & control