title: Effect of patient population characteristics in assessing the efficacy and toxicity of methotrexate in rheumatoid arthritis: comment on the article by Weinblatt et al.
authors.forename: D
authors.initials: D
authors.lastname: Porter
authors.forename: H
authors.initials: H
authors.lastname: Capell
mesh_terms: D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D006801:Humans; D008727:Methotrexate / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D008727:Methotrexate