[Acupuncture therapy for chronic tension headache. A controlled cross-over study].
D015670:Acupuncture Therapy; D002986:Clinical Trials as Topic; D003430:Cross-Sectional Studies; D006261:Headache / Q000209:etiology / Q000628:therapy*; D006801:Humans
Akupunkturbehandling af kronisk tensionshovedpine. En kontrolleret overkrydsningsundersøgelse.