title: Outcome of long-term treatment of rheumatoid arthritis with second-line agents.
mesh_terms: D000893:Anti-Inflammatory Agents / Q000627:therapeutic use*; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D005767:Gastrointestinal Diseases / Q000139:chemically induced; D006801:Humans; D009503:Neutropenia / Q000139:chemically induced; D012460:Sulfasalazine / Q000009:adverse effects / Q000627:therapeutic use*; D013997:Time Factors
chemical_list: D000893:Anti-Inflammatory Agents; D012460:Sulfasalazine