title: Pleural fluid adenosine deaminase in rheumatoid arthritis and systemic lupus erythematosus.
mesh_terms: D000243:Adenosine Deaminase / Q000378:metabolism*; D001172:Arthritis, Rheumatoid / Q000201:enzymology*; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000201:enzymology*; D009700:Nucleoside Deaminases / Q000378:metabolism*; D014396:Tuberculosis, Pleural / Q000201:enzymology*
chemical_list: D009700:Nucleoside Deaminases; D000243:Adenosine Deaminase