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A test of the hypothesis that ELF magnetic fields affect calcium uptake in rat thymocytes in vitro.

The experiment's objective was to test the statistical hypothesis that a 60-min exposure of rat thymocytes in vitro to a unique combination of static and a.c. magnetic fields results in suppression of calcium influx triggered by concanavalin A (Con A). Con A (10 micrograms/ml) induced about a 50% increase in 45Ca2+ uptake relative to no Con A (control). Magnetic field exposures had no statistically significant effect on Con A-stimulated calcium uptake. The data did not support the hypothesis.