title: Mesangial IgM nephropathy in a patient with HLA-B27 spondylarthropathy.
mesh_terms: D000293:Adolescent; D005921:Glomerulonephritis / Q000276:immunology*; D006680:HLA Antigens / Q000032:analysis*; D015796:HLA-B27 Antigen; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis*; D008297:Male; D013167:Spondylitis, Ankylosing / Q000276:immunology*
chemical_list: D006680:HLA Antigens; D015796:HLA-B27 Antigen; D007075:Immunoglobulin M