복강경 담낭절제술에서의 3공식과 4공식의 비교 - 박동은(Dong Eun Park); 채권묵(Kwon Mook Chae); 소병준(Byung Joon So); 이경근(Kyung Keun Lee) (Annals of surgical treatment and research, 1998)
Keywords: Laparoscopic cholecystectomy; Three-trocar technique; Four-trocar technique