title: Acupuncture treatment of chronic facial pain--a controlled cross-over trial.
mesh_terms: D015670:Acupuncture Therapy / Q000379:methods*; D000368:Aged; D002908:Chronic Disease; D005145:Face; D005156:Facial Neuralgia / Q000628:therapy; D005260:Female; D006801:Humans; D008297:Male; D008516:Medicine, Chinese Traditional; D008875:Middle Aged; D059408:Pain Management; D014277:Trigeminal Neuralgia / Q000628:therapy