Tension headache.
Bogduk
N
N
D001143:Arousal / Q000502:physiology*; D004576:Electromyography; D005152:Facial Muscles / Q000503:physiopathology*; D006261:Headache / Q000175:diagnosis / Q000503:physiopathology*; D006801:Humans; D010147:Pain Measurement; D017288:Pain Threshold / Q000502:physiology*