Endoscopy 1992; 24: 309-314
DOI: 10.1055/s-2007-1010489
© Georg Thieme Verlag KG Stuttgart · New York
Endosonography of Colorectal Diseases
T. L. Tio1
, O. Weijers2
, F. Hulsman2
, L. Jonkers2
, E. Collins2
, L. H. Sie2
, G. N. J. Tytgat2
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1Georgetown University Medical Center, Division of Gastroenterology, Washington DC, USA
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2Academic Medical Center, Department of Gastroenterology, Amsterdam, The Netherlands
