[Studies on the results of anti-toxoplasma enzyme-linked immunosorbent assay and false positive reactions in patients with progressive systemic sclerosis, rheumatoid arthritis and systemic lupus erythematosus]

MeSH terms

• Adult
• Aged
• Antibodies / analysis*
• Arthritis, Rheumatoid / immunology*
• Enzyme-Linked Immunosorbent Assay
• Female
• Humans
• Lupus Erythematosus, Systemic / immunology*
• Male
• Middle Aged
• Scleroderma, Systemic / immunology*
• Toxoplasma / immunology*