TY - RPRT TI - Pyoderma gangrenosum with a monoclonal IgM red cell agglomerating factor. AU - J J Cream PY - 1971 DO - 10.1111/j.1365-2133.1971.tb14211.x UR - https://pubmed.ncbi.nlm.nih.gov/5572674/ ID - 5572674 ER -