title: Simple and sensitive high-performance liquid chromatographic assay for 5-aminosalicylic acid and acetyl-5-aminosalicylic acid in serum.
mesh_terms: D000636:Aminosalicylic Acids / Q000097:blood*; D001172:Arthritis, Rheumatoid / Q000188:drug therapy / Q000378:metabolism; D002851:Chromatography, High Pressure Liquid; D006801:Humans; D019804:Mesalamine; D012460:Sulfasalazine / Q000378:metabolism / Q000627:therapeutic use
chemical_list: D000636:Aminosalicylic Acids; D012460:Sulfasalazine; D019804:Mesalamine; C028836:N-acetyl-5-aminosalicylic acid