title: Concurrent use of folinic acid and MTX in rheumatoid arthritis.
authors.forename: A S
authors.initials: AS
authors.lastname: Russell
mesh_terms: D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D006801:Humans; D002955:Leucovorin / Q000627:therapeutic use*; D008727:Methotrexate / Q000627:therapeutic use*
chemical_list: D002955:Leucovorin; D008727:Methotrexate