title: Concentrations of sulfasalazine and its metabolites.
authors.forename: M D
authors.initials: MD
authors.lastname: Smith
mesh_terms: D001172:Arthritis, Rheumatoid / Q000188:drug therapy; D006801:Humans; D012460:Sulfasalazine / Q000032:analysis* / Q000378:metabolism / Q000627:therapeutic use
chemical_list: D012460:Sulfasalazine