Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yoshiyuki KUDO and Hideto SAKURAI and Nobuo OKADA and Mamoru NODA and Kenji NAKAI,Use of an Apex Locator and Ultrasonic Irrigation for Patients with Implanted Cardiac Pacemaker or Cardioverter Defibrillator: Two Case Reports,The Japanese Journal of Conservative Dentistry,0387-2343,The Japanese Society of Conservative Dentistry,2015,58,4,331-337,https://cir.nii.ac.jp/crid/1390282680496782464,https://doi.org/10.11471/shikahozon.58.331