Plasma and synovial fluid concentrations of acetylsalicylic acid in patients with rheumatoid arthritis.
D000115:Acetylesterase / Q000378:metabolism; D001172:Arthritis, Rheumatoid / Q000097:blood / Q000378:metabolism*; D001241:Aspirin / Q000008:administration & dosage / Q000032:analysis / Q000097:blood / Q000378:metabolism*; D002849:Chromatography, Gas; D006801:Humans; D066298:In Vitro Techniques; D013582:Synovial Fluid / Q000201:enzymology / Q000378:metabolism*
D000115:Acetylesterase; D001241:Aspirin