title: Role of virus in collagen diseases.
mesh_terms: D001327:Autoimmune Diseases; D003095:Collagen Diseases / Q000209:etiology* / Q000382:microbiology; D003673:Defective Viruses; D006801:Humans; D007165:Immunosuppression Therapy; D008180:Lupus Erythematosus, Systemic / Q000382:microbiology; D009976:Orthomyxoviridae Infections / Q000150:complications; D010252:Paramyxoviridae; D012595:Scleroderma, Systemic / Q000382:microbiology; D012859:Sjogren's Syndrome / Q000382:microbiology; D014777:Virus Diseases / Q000150:complications*