TY - RPRT TI - Malignant sphincter stricture treated by a permanent indwelling stent. AU - I K Walsh AU - P F Keane PY - 1993 DO - 10.1111/j.1464-410x.1993.tb16200.x UR - https://pubmed.ncbi.nlm.nih.gov/8261321/ ID - 8261321 ER -