RT Journal Article SR Electronic T1 Polyarteritis nodosa associated with idiopathic pulmonary fibrosis: report of two cases. JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 876 OP 877 DO 10.1136/ard.48.10.876 VO 48 IS 10 A1 Carratalá, J A1 Vidaller, A A1 Maña, J A1 Manresa, F A1 Fernández-Nogués, F YR 1989 UL http://ard.bmj.com/content/48/10/876.abstract AB