Assertion: fluoride's effect | /r/CreatedBy | trace metals
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Source sentences:
text: Schatz et al. stated that “[P]aradoxical effects have been produced by radiation, temperature, mutagenic and carcinogenic chemicals, fluoride, steroid hormones, dextran, detergents, trace metals, herbicides, fungicides, insecticides, germicides, antibiotics, drugs and a host of other agents.