title: Variations in the Leu7+ and LeuM3+ leukocyte subpopulations observed in cluster headache are dependent on HLA-DR antigens.
mesh_terms: D003027:Cluster Headache / Q000276:immunology*; D004198:Disease Susceptibility; D006681:HLA-D Antigens / Q000276:immunology*; D006684:HLA-DR Antigens / Q000276:immunology*; D015805:HLA-DR5 Antigen; D006801:Humans; D007694:Killer Cells, Natural / Q000276:immunology*; D009000:Monocytes / Q000276:immunology*; D014653:Vascular Headaches / Q000276:immunology*
chemical_list: D006681:HLA-D Antigens; D006684:HLA-DR Antigens; D015805:HLA-DR5 Antigen