title: Methotrexate treatment and mortality in rheumatoid arthritis.
authors.forename: Enrique
authors.initials: E
authors.lastname: Rewald
authors.forename: María
authors.initials: M
authors.lastname: de las Mercedes Francischetti
mesh_terms: D016736:Antiphospholipid Syndrome / Q000150:complications* / Q000401:mortality / Q000517:prevention & control*; D018501:Antirheumatic Agents / Q000627:therapeutic use*; D001161:Arteriosclerosis / Q000150:complications* / Q000401:mortality / Q000517:prevention & control*; D001172:Arthritis, Rheumatoid / Q000150:complications / Q000188:drug therapy*; D006801:Humans; D008727:Methotrexate / Q000627:therapeutic use*; D012107:Research Design / Q000592:standards; D012307:Risk Factors
chemical_list: D018501:Antirheumatic Agents; D008727:Methotrexate