title: Low dose methotrexate with leucovorin rescue in AS.
authors.forename: M B
authors.initials: MB
authors.lastname: Ferraz
authors.forename: H C
authors.initials: HC
authors.lastname: da Silva
authors.forename: E
authors.initials: E
authors.lastname: Atra
mesh_terms: D000328:Adult; D006801:Humans; D002955:Leucovorin / Q000627:therapeutic use*; D008297:Male; D008727:Methotrexate / Q000009:adverse effects / Q000627:therapeutic use*; D013167:Spondylitis, Ankylosing / Q000188:drug therapy*
chemical_list: D002955:Leucovorin; D008727:Methotrexate