a collection of sera from patients with systemic lupus erythematosus , rheumatoid arthritis , mixed connective tissue disease , sjogren 's syndrome , progressive systemic sclerosis , and the reflex sympathetic dystrophy syndrome was screened for the presence of antibodies recognizing determinants on the protein moiety of human ribosomes after electrophoretic separation in polyacrylamide and blotting on nitrocellulose .
C0003873
rheumatoid
C1527336
sjogren 's syndrome