RT Journal Article SR Electronic T1 Multiple endobronchial polyposis; differentiation from squamous cell papillomas JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 71 OP 76 VO 46 IS 2 A1 Ralph P. White, Jr. A1 Edward M. Cordasco A1 Muzaffar Ahmad A1 Bruce A. Sebek YR 1979 UL http://www.ccjm.org/content/46/2/71.abstract AB