RT Journal Article SR Electronic T1 Polyps of the Digestive Pharynx JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 397 OP 399 VO 20 IS 3 A1 Tinguiald, Fred R. YR 1953 UL http://www.ccjm.org/content/20/3/397.abstract AB