TY - RPRT TI - Endoscopical polypectomy using high frequency current: double-snare method of polypectomy for prevention of incidental bleeding and perforation. AU - S Asaki PY - 1982 DO - 10.1620/tjem.136.215 UR - https://pubmed.ncbi.nlm.nih.gov/7071840/ ID - 7071840 ER -