Utility of Valsalva maneuver in the endoscopic pharyngeal observation.
Daisuke KikuchiMasami TanakaYugo SuzukiHidehiko TakedaShu HoteyaToshiro IizukaPublished in: Esophagus : official journal of the Japan Esophageal Society (2020)
The Valsalva maneuver was considered to be a safe and effective method in endoscopic observation of the pharynx.