title: Muscle pathology in rheumatoid arthritis, polymyalgia rheumatica, and polymyositis: a histochemical study.
mesh_terms: D000368:Aged; D001172:Arthritis, Rheumatoid / Q000175:diagnosis / Q000473:pathology*; D001706:Biopsy; D002467:Cell Nucleus; D003594:Cytoplasmic Granules; D003937:Diagnosis, Differential; D005260:Female; D006651:Histocytochemistry; D006801:Humans; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000473:pathology*; D009133:Muscular Atrophy / Q000473:pathology; D009220:Myositis / Q000175:diagnosis / Q000473:pathology*; D011111:Polymyalgia Rheumatica / Q000175:diagnosis / Q000473:pathology*; D012038:Regeneration