Endoscopic sampling for tissue diagnosis in gastrointestinal malignancy von Bemvenuti, Giovani A., Hattori, Kazuhiko, Levin, Bernard, Kirsner, Joseph B., Reilly, Richard W.

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Upper gastrointestinal fiberoptic endoscopy in pediatric patients von Prolla, João C., Diehl, Ada S., Bemvenuti, Giovani A., Loguercio, Sabino V., Magalhães, Denise S., Silveira, Themis R.

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Tissue cytogenetic studies in chronic ulcerative colitis and carcinoma of the colon von Xavier, Rogerio G., Prolla, Joao C., Bemvenuti, Giovani A., Kirsner, Joseph B.

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