Concentrations of neopterin and biopterin in serum from patients with rheumatoid arthritis or systemic lupus erythematosus and in synovial fluid from patients with rheumatoid or osteoarthritis

MeSH terms

• Adult
• Aged
• Arthritis / metabolism*
• Biomarkers / analysis
• Biopterins / analogs & derivatives*
• Biopterins / analysis*
• Humans
• Lupus Erythematosus, Systemic / metabolism*
• Middle Aged
• Neopterin
• Synovial Fluid / analysis*