title: Psychophysiological studies of headache: is there similarity between migraine and muscle contraction headaches?
mesh_terms: D001676:Biofeedback, Psychology; D006261:Headache / Q000209:etiology* / Q000628:therapy; D006801:Humans; D008881:Migraine Disorders / Q000209:etiology*; D009119:Muscle Contraction; D011602:Psychophysiologic Disorders / Q000150:complications*