title: [Coexistence of ankylosing spondylitis and rheumatoid arthritis].
mesh_terms: D001172:Arthritis, Rheumatoid / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013167:Spondylitis, Ankylosing / Q000150:complications*
vernacular_title: Selkäreuma ja nivelreuma samalla potilaalla.