Assertion: fluoride's effect | /r/HasProperty | basic defense systems
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Source sentences:
text: 1980 Dr. J. Gabrovsek, a research dentist (See 1976) publishes a paper which states, "Because of the inhibitory effects of sodium fluoride on phagocytosis and leukocytosis (migration of white blood cells), which are basic defense systems, I have doubts about the absolute safety of water fluoridation on a long-term basis.