TY - RPRT TI - Pyoderma gangrenosum. Response to cyclophosphamide therapy. AU - L M Newell AU - F D Malkinson PY - 1983 DO - 10.1001/archderm.119.6.495 UR - https://pubmed.ncbi.nlm.nih.gov/6859889/ ID - 6859889 ER -