RT Journal Article SR Electronic T1 Further Observations on the Gastro-oesophageal Junction JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 132 OP 137 DO 10.1136/thx.14.2.132 VO 14 IS 2 A1 B. Creamer A1 G. Kent Harrison A1 J. W. Pierce YR 1959 UL http://thorax.bmj.com/content/14/2/132.abstract AB