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  • Title: A novel biomagnetic method to study gastric antral contractions.
    Author: Miranda JR, Oliveira RB, Sousa PL, Braga FJ, Baffa O.
    Journal: Phys Med Biol; 1997 Sep; 42(9):1791-9. PubMed ID: 9308084.
    Abstract:
    A novel non-invasive method to study the motion associated with gastric antral contractions is discussed. The method is based on magnetic flux changes detected by an a.c. biosusceptometer, produced by a magnetic test meal within the stomach. Measurements are made at the surface of the torso and are easy to perform. Simultaneous measurements were made with electrogastrography and scintigraphy showing remarkable coincidence. The effect of a drug on the amplitude of antral contractions was also assayed with the new method.
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