Letter: Nuchal infiltrations.
D015670:Acupuncture Therapy; D006261:Headache / Q000209:etiology / Q000628:therapy*; D006801:Humans; D007267:Injections; D009120:Muscle Cramp / Q000150:complications / Q000209:etiology; D009333:Neck; D010817:Physician-Patient Relations; D011613:Psychotherapy; D013315:Stress, Psychological