title: Sustained headache syndrome associated with tender occipital nerve zones.
mesh_terms: D000328:Adult; D006261:Headache / Q000175:diagnosis*; D006801:Humans; D008875:Middle Aged; D010523:Peripheral Nervous System Diseases / Q000175:diagnosis; D011446:Prospective Studies; D013127:Spinal Nerves; D013577:Syndrome