RT Journal Article SR Electronic T1 The Diagnosis of Esophageal Varices in Portal Hypertension JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 58 OP 62 VO 14 IS 1 A1 Hughes, C. R. A1 Falomir, J. M. YR 1947 UL http://www.ccjm.org/content/14/1/58.abstract AB