Chapters by Mr. Katsuhiro Yorioka

• Book Chapter Microbial Contamination of Suction Tubes Attached to Suction Instrument and Its Preventive Methods
  by Katsuhiro Yorioka and Shigeharu Oie in the book "Advances in Endoscopic Surgery" edited by Cornel Iancu, ISBN 978-953-307-717-8, InTech, November 11, 2011