title: Subcutaneous rheumatoid nodules and serum rheumatoid factor without arthritis.
mesh_terms: D000367:Age Factors; D001172:Arthritis, Rheumatoid / Q000175:diagnosis; D001706:Biopsy; D003238:Connective Tissue / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D012217:Rheumatoid Factor / Q000032:analysis*; D012218:Rheumatoid Nodule / Q000175:diagnosis / Q000276:immunology* / Q000473:pathology / Q000601:surgery
chemical_list: D012217:Rheumatoid Factor