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Rats were exposed to 2.88 GHz (PW, 1.5 usec pulse width, 1000 Hz pulse repetition rate) for 15, 30, or 60 minutes at SARs of 4.2, 6.3, 6.8, 8.4, 10.8, or 12.6 W/kg and analyzed for Na+, K+, and Ca2+ concentrations in the blood serum and submaxillary salivary gland. The authors report shifts in Na+, K+, and Ca2+ ions similar to changes caused by non-RF hyperthermia. |