title: Rheumatoid nodulosis: a continuum of extra-articular rheumatoid disease.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000145:classification / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D012217:Rheumatoid Factor / Q000032:analysis*; D012218:Rheumatoid Nodule / Q000145:classification / Q000175:diagnosis* / Q000276:immunology / Q000473:pathology; D013577:Syndrome
chemical_list: D012217:Rheumatoid Factor