Chiropractic manipulative therapy in the treatment of headaches: a retrospective and prospective study.
D000328:Adult; D002684:Chiropractic; D005260:Female; D006261:Headache / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D012189:Retrospective Studies