title: [The effect of comedication with folic or folinic acid on the toxicity and efficacy of methotrexate in rheumatoid arthritis: a randomized, double blind, placebo controlled study of 48 weeks].
authors.forename: T L Th A
authors.initials: TL
authors.lastname: Jansen
authors.forename: A
authors.initials: A
authors.lastname: Spoorenberg
authors.forename: P M
authors.initials: PM
authors.lastname: Houtman
authors.forename: E N
authors.initials: EN
authors.lastname: van Roon
mesh_terms: D000428:Alcohol Drinking; D018501:Antirheumatic Agents / Q000627:therapeutic use*; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D004359:Drug Therapy, Combination; D005492:Folic Acid / Q000627:therapeutic use*; D006801:Humans; D002955:Leucovorin / Q000627:therapeutic use*; D008727:Methotrexate / Q000627:therapeutic use*
chemical_list: D018501:Antirheumatic Agents; D005492:Folic Acid; D002955:Leucovorin; D008727:Methotrexate