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Published online 2006 April 3. doi: 10.1186/1477-044X-4-3
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Copyright © 2006 Anastasiadis et al; licensee BioMed Central Ltd.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Figure 5
The spectral densities of the wave-form illustrated in fig. 3. Low spectral amplitudes (86 fT/√Hz) are distributed in the frequency of 4 Hz.
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