title: Comparative morphology of small vessel lesions in rheumatoid arthritis and periarteritis nodosa.
mesh_terms: D000328:Adult; D001158:Arteries / Q000473:pathology; D001172:Arthritis, Rheumatoid / Q000473:pathology*; D005260:Female; D005267:Femoral Nerve / Q000473:pathology; D006801:Humans; D008297:Male; D008475:Median Nerve / Q000473:pathology; D008875:Middle Aged; D009132:Muscles / Q000473:pathology; D010488:Polyarteritis Nodosa / Q000473:pathology*