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Exposure device for the students. An exposure device with a special antenna placed on students zippers was used for generating the EMF (1 W peak output power and .50 mW/cm 2 power density), and the exposure emission was maintained at 2.4 GHz and 5.o GHz with a pulse repetition frequency of 217 Hz for 365 days a year for hours at school and at home on the abdomen.
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