In summary, this study shows that scintigraphic, paracetamol tracer, and PEG dilution methods can all be used to assess gastric emptying. The use of the paracetamol tracer technique offers a relatively inexpensive technique that yields a good approximation of gastric emptying as verified by the scintigraphic emptying of a solid meal.
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Erik Näslund (2000) studied this question.
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