RT Journal Article SR Electronic T1 Azathioprine and tubulointerstitial nephritis in HSP. JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 2551 OP 2551 VO 33 IS 12 A1 Jae Il Shin A1 Jae Seung Lee A1 Hyeon Joo Jeong YR 2006 UL http://www.jrheum.org/content/33/12/2551.abstract AB