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Equipment for the gastroenterologist.

In Western countries gastroenterologists depend to a great extent on supporting services : radiology, biochemistry, haema tology, microbiology, and histopathology. In the Third World, where these support services may be rudimentary or even non-existent, the gastroenterologist must learn to make full use of his own facilities and to extend his skills by undertaking some of the techniques that he would normally delegate to others.