4Carr NJ,Monihan JM,Sobin LH.squamous cell papilloma of the esophagus:a clinicopathologic and follow-up study of 25 cases.Am J Gastroenterol,1994,89:245-248.
5Franzin G,Musola R,Zarnboni G,et al.Squamoues papilloma of the esophagus.Gastrointest Endos,1983,29:104.
6Mosca S,Menes G,Monaco R,et al.Squamous Papillloma of the esophagus:long follw up.J Gastroenterol Hepatol,2001,16:857-861.
7Odze R,Antonioli D,shocker D,et al.Esophageal squamous papillomas.A clinicopathologic study of 38 lesions and analysis for human papillomavirus by the polymerase chain reaction.Am J Surg Pathol,1993,17:803.
