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Usefulness of the Valsalva maneuver without a mouthpiece to observe the hypopharynx using transoral endoscopy
Author(s) -
Yamasaki Yasushi,
Ishihara Ryu,
Hamada Kenta
Publication year - 2017
Publication title -
digestive endoscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.5
H-Index - 56
eISSN - 1443-1661
pISSN - 0915-5635
DOI - 10.1111/den.12886
Subject(s) - mouthpiece , medicine , valsalva maneuver , endoscopy , general surgery , radiology , surgery , dentistry , blood pressure
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