RT Journal Article SR Electronic T1 In reply: Barium esophagography (February 2009) JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 218 OP 218 DO 10.3949/ccjm.76c.04002 VO 76 IS 4 A1 Brian C. Allen A1 Mark E. Baker A1 Gary W. Falk YR 2009 UL http://www.ccjm.org/content/76/4/218.2.abstract AB