TY - RPRT TI - Hemorrhoidectomy with self-retaining retraction. AU - H H Chen AU - J S Chen AU - C R Changchien AU - R Tang AU - J Y Wang PY - 1996 DO - 10.1007/bf02054700 UR - https://pubmed.ncbi.nlm.nih.gov/8797660/ ID - 8797660 ER -