RT Journal Article SR Electronic T1 Thirty Years of Followup in 3 Patients with Familial Polyarteritis Nodosa due to Adenosine Deaminase 2 Deficiency JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP jrheum.180820 DO 10.3899/jrheum.180820 A1 Jason Liebowitz A1 David B. Hellmann A1 Oskar Schnappauf YR 2019 UL http://www.jrheum.org/content/early/2019/05/13/jrheum.180820.abstract AB Three sisters of Northern European descent provided an opportunity to examine the longterm course and possible familial aspects of a rare disease, polyarteritis nodosa (PAN). Approval and consent was obtained from each patient.