title: DR2-negative narcolepsy.
mesh_terms: D006681:HLA-D Antigens / Q000032:analysis*; D006683:HLA-DQ Antigens / Q000032:analysis; D006684:HLA-DR Antigens / Q000032:analysis*; D015802:HLA-DR2 Antigen; D006801:Humans; D009290:Narcolepsy / Q000235:genetics*
chemical_list: D006681:HLA-D Antigens; D006683:HLA-DQ Antigens; D006684:HLA-DR Antigens; D015802:HLA-DR2 Antigen