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. 2013 Aug 12;8(8):e71087. doi: 10.1371/journal.pone.0071087

Figure 1. Diagram of the exposure system and field characteristics.

Figure 1

MF group and MF+Al group rats were kept in the exposure region which includes a pair of Helmholtz coils. Control group and Al group rats were placed in a geomagnetic environment in the sham region. A temperature control system composed of a controller, two temperature sensors, and two heaters were used to reduce the temperature differences between the two regions.