TY - RPRT TI - Adenomatous and hyperplastic polyps cannot be reliably distinguished by their appearance through the fiberoptic sigmoidoscope. AU - R G Norfleet AU - M E Ryan AU - J B Wyman PY - 1988 DO - 10.1007/bf01535796 UR - https://pubmed.ncbi.nlm.nih.gov/3044716/ ID - 3044716 ER -