PT - JOURNAL ARTICLE AU - R von Essen AU - H Ylijoki AU - A Savolainen AU - J Haapasaari AU - U M Oksala TI - Antiperinuclear factor in chronic juvenile arthritis. AID - 10.1136/ard.51.11.1264-a DP - 1992 Nov 01 TA - Annals of the Rheumatic Diseases PG - 1264 VI - 51 IP - 11 4099 - http://ard.bmj.com/content/51/11/1264.1.short 4100 - http://ard.bmj.com/content/51/11/1264.1.full SO - Ann Rheum Dis1992 Nov 01; 51