TY - RPRT TI - Is submucosal epinephrine injection necessary before polypectomy? A prospective, comparative study. AU - Y H Hsieh AU - H J Lin AU - G Y Tseng AU - C L Perng AU - A F Li AU - F Y Chang AU - S D Lee UR - https://pubmed.ncbi.nlm.nih.gov/11677969/ ID - 11677969 ER -