TY - RPRT TI - Polyarteritis nodosa diagnosed by endoscopic polypectomy. AU - P Mulshine AU - L Calabrese AU - R S Krakauer PY - 1980 DO - 10.1002/art.1780230222 UR - https://pubmed.ncbi.nlm.nih.gov/6102467/ ID - 6102467 ER -