Myopathy in the Sicca syndrone (Sjögren's syndrome).
D001172:Arthritis, Rheumatoid / Q000473:pathology*; D001706:Biopsy; D006801:Humans; D009132:Muscles / Q000473:pathology*; D009135:Muscular Diseases / Q000209:etiology / Q000473:pathology*; D012859:Sjogren's Syndrome / Q000150:complications / Q000473:pathology*