When is a Schatzki ring clinically significant, and what is the best maneuver to demonstrate it on barium swallow? Does the abnormality progress if it is not treated?
作者信息
Rohrmann C A
机构信息
University of Washington Hospital, Seattle 98195.
出版信息
AJR Am J Roentgenol. 1994 Jul;163(1):215. doi: 10.2214/ajr.163.1.8010218.