Cook, I J <br/><br/>
Opening mechanisms of the human upper esophageal sphincter.  [electronic resource] 

 -  The American journal of physiology  Nov 1989 
 - G748-59 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0002-9513 
<br/><br/><label>Standard No.: </label>10.1152/ajpgi.1989.257.5.G748  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Barium<br/>Biomechanical Phenomena<br/>Deglutition<br/>Esophagogastric Junction--diagnostic imaging<br/>Gastrointestinal Transit<br/>Humans<br/>Male<br/>Manometry<br/>Peristalsis<br/>Radiography