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3. Nodular lymphoid hyperplasia of the colon associated with dysgammaglobulinemia;de Smet AA; DG, Turbergen; W, Martel;Am Y Roentgenol,1976
4. Endoscopic appearance of colonic lymphoid nodules: a normal variant;Burbige, E.J.; Sobky, R.Z.F.;Gastroenterology,1977
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