title: Non-Hodgkin's lymphoma, rheumatoid arthritis and methotrexate.
authors.forename: J C
authors.initials: JC
authors.lastname: Cobeta-Garcia
authors.forename: M T
authors.initials: MT
authors.lastname: Ruiz-Jimeno
authors.forename: R
authors.initials: R
authors.lastname: Fontova-Garrofé
mesh_terms: D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008228:Lymphoma, Non-Hodgkin / Q000139:chemically induced*; D008727:Methotrexate / Q000009:adverse effects* / Q000627:therapeutic use; D008875:Middle Aged
chemical_list: D008727:Methotrexate