DOI: 10.1055/s-00000094

Zeitschrift für Gastroenterologie

References

Hassan C, Bersani G, Buri L. et al
Appropriateness of upper-GI endoscopy: an Italian survey on behalf of the Italian Society of Digestive Endoscopy.

Gastrointest Endosc 2007;
65: 767-774

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