TY - JOUR AU - Mpofu, S; Mpofu, C M; Hutchinson, D TI - Steroids, non-steroidal anti-inflammatory drugs, and sigmoid diverticular abscess perforation in rheumatic conditions JO - Annals of the rheumatic diseases VL - 63 PY - 2004 DO - 10.1136/ard.2003.010355 SP - 588 EP - 590 N1 - et al. ER -