Cancer of the papilla of Vater in which a needle knife precut papillotomy was effective for the pre-operative diagnosis and biliary drainage – report of a case Journal title: Archives of Medical Science Authors: Itaru Naitoh, Hirotaka Ohara, Kazuki Hayashi, Kanto Ogawa, Tomoaki Ando, Takahiro Nakazawa, Ak... Subject(s): Medicine