title: Folinic acid to prevent side effects of methotrexate in juvenile rheumatoid arthritis.
authors.forename: G S
authors.initials: GS
authors.lastname: Alarcón
authors.forename: S L
authors.initials: SL
authors.lastname: Morgan
mesh_terms: D001171:Arthritis, Juvenile / Q000188:drug therapy*; D004359:Drug Therapy, Combination; D006801:Humans; D002955:Leucovorin / Q000627:therapeutic use*; D008727:Methotrexate / Q000009:adverse effects* / Q000627:therapeutic use; D011315:Preventive Medicine / Q000379:methods*
chemical_list: D002955:Leucovorin; D008727:Methotrexate