Strittmatter, M [Reduced sympathetic nervous system activity during the cluster period of cluster-headache]. [electronic resource] - Schweizerische medizinische Wochenschrift Jun 1996 - 1054-61 p. digital Publication Type: English Abstract; Journal Article ISSN: 0036-7672 Subjects--Topical Terms: AdultCircadian RhythmCluster Headache--bloodEpinephrine--bloodFemaleHomovanillic Acid--cerebrospinal fluidHumansHydroxyindoleacetic Acid--cerebrospinal fluidMaleMiddle AgedNeurotransmitter Agents--cerebrospinal fluidNorepinephrine--bloodSympathetic Nervous System--physiopathology