Lang, I M <br/><br/>
Anatomy and physiology of the upper esophageal sphincter.  [electronic resource] 

 -  The American journal of medicine  Nov 1997 
 - 50S-55S p.  digital 
<br/><br/> Publication Type: Journal Article; Review 
<br/><br/><label>ISSN: </label>0002-9343 
<br/><br/><label>Standard No.: </label>10.1016/s0002-9343(97)00323-9  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Esophagus--anatomy & histology<br/>Humans<br/>Neurophysiology<br/>Reflex