Migraine and muscle contraction headaches: a continuum.
D006261:Headache / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D008881:Migraine Disorders / Q000150:complications / Q000175:diagnosis*; D009119:Muscle Contraction; D009325:Nausea / Q000209:etiology; D014839:Vomiting / Q000209:etiology