Ancillary symptoms in the biofeedback treatment of headaches.
D000328:Adult; D000368:Aged; D001676:Biofeedback, Psychology; D005260:Female; D006261:Headache / Q000523:psychology / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010043:Outcome and Process Assessment, Health Care; D011574:Psychoanalytic Theory