Parmar Harshita M. Effectiveness Of Video-Assisted Teaching On Knowledge And Pre-Procedural Anxiety Level Of Patients Undergoing Upper GI Scopy In A Tertiary Care Hospital, Vadodara - Piparia-Vadodara Sumandeep Vidyapeeth 2018-2020 - xviii,136p. Subjects--Topical Terms: NURSING Dewey Class. No.: 610.73 / PAR