S. Yammoto

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Accidental coincidence rate and scatter coincidence rate of 3-dimensional (3D) acquisition of positron emission tomograph (PET) are higher than 2-dimensional (2D) acquisition and count loss becomes higher because slice shield collimator is not used in 3D acquisition. If one could decrease the gamma ray from outside of the axial field of view (FOV), it may(More)
We have performed the magnetic measurement with more than 25 different positins on the surface of the head in a nonmagnetically shielded room with a SQUID connected to a second order gradiometer with a baseline of and a coil o i 2.48 cm diameter. In the somatosensory evoked magnetic field (SEF), the electric current was applied to stimulate the right ankle(More)
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