Characteristics of tension headache: a profile of 1,420 cases.
D000293:Adolescent; D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006261:Headache / Q000175:diagnosis* / Q000628:therapy; D006801:Humans; D008297:Male; D008881:Migraine Disorders / Q000175:diagnosis; D009119:Muscle Contraction