TY - RPRT TI - Are environmental factors important in primary systemic vasculitis? A case-control study. AU - Suzanne E Lane AU - Richard A Watts AU - Graham Bentham AU - Nicholas J Innes AU - David G I Scott PY - 2003 DO - 10.1002/art.10830 UR - https://pubmed.ncbi.nlm.nih.gov/12632437/ ID - 12632437 ER -