TY - BOOK TI - Endoscopy AU - Berci, George 1921-. SN - 0838522165 PB - Appleton-Century-Crofts PP - New York : Appleton-Century-Crofts , c1976. PY - 1976 UR - https://library.korea.ac.kr/detail/?cid=CAT000000105689&ctype=m