Schedule 20 [O24-05] I tried the online deglutition seminar only for the person who knew me ○原 純一1, 佐藤 暁彦2 (1.上松川診療所 歯科口腔外科, 2.クォール株式会社 クォール薬局) Abstract password authentication.Password is required to view the abstract. Please enter a password to authenticate. Password Authentication