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 White, Ralph P. A1 Cordasco, Edward M. A1 Ahmad, Muzaffar A1 Sebek, Bruce A. YR 1979 UL http://www.ccjm.org/content/46/2/71.abstract AB