title: [Serum concentration of IgA1 and IgA2 subclasses in ankylosing spondylarthritis].
mesh_terms: D000328:Adult; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis*; D008297:Male; D008875:Middle Aged; D013167:Spondylitis, Ankylosing / Q000276:immunology*
chemical_list: D007070:Immunoglobulin A
vernacular_title: Sérové koncentrace podtríd IgA1 a IgA2 u ankylozující spondartritidy.