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| COLORECTAL POLYP - DEPARTMENT OF ENDOSCOPY. UNIMED HOSPITAL CENTER. |
| Dr.H. Kleinubing Jr., Dr.F.Altenburg, Dr.M.Pinho, Dr.P.Mafra - Brazil |
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| COLORECTAL POLYP - DEPARTMENT OF ENDOSCOPY. UNIMED HOSPITAL CENTER. |
| Dr.H. Kleinubing Jr., Dr.F.Altenburg, Dr.M.Pinho, Dr.P.Mafra - Brazil |
|