title: Intra-articular methotrexate in rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D004341:Drug Evaluation; D006801:Humans; D007270:Injections, Intra-Articular; D007719:Knee Joint; D008727:Methotrexate / Q000008:administration & dosage* / Q000627:therapeutic use
chemical_list: D008727:Methotrexate