cerebral cortex tissue slices and cerebral hemispheres prepared from gallus domesticus chicks were exposed to 147 mhz radiofrequency radiation , amplitude modulated at 16 hz and applied at a power density of 0.75 mw/cm2 , to determine the effect of such exposure of 45ca2+ efflux from the avian brain tissue .
C0007776
cerebral cortex
C0228174
cerebral hemispheres