two pairs of Helmholtz coils with a diameter of 25 cm, positioned as a vertical and a horizontal pair with a distance of 25 cm each; coils made of 300 turns of copper wire with a diameter of 0.85 mm; animals exposed in 17 cm x 17 cm x 25 cm metacrylate boxes
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Calcium-ion movement and contractility in atrial strips of frog heart are not affected by low-frequency-modulated, 1 GHz electromagnetic radiation.
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Calcium uptake by leukemic and normal T-lymphocytes exposed to low frequency magnetic fields.