TY - RPRT TI - Pyoderma gangrenosum and ulcerative colitis. AU - J R Thornton AU - R H Teague AU - T S Low-Beer AU - A E Read PY - 1980 DO - 10.1136/gut.21.3.247 UR - https://pubmed.ncbi.nlm.nih.gov/7399325/ ID - 7399325 ER -