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Study Tracker

The most up-to-date and comprehensive source for studies on fluoride's multifaceted effects on human and animal health, with 100+ years of research organized by health category, type of study, author, journal, and date.
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Chronic endemic fluorosis (with bone affections) in the Punjab.

September 1945 | The Indian Medical Gazette | Khan YM, Wig KL. | 80:429-33.
First Page of Study Since the investigation of Black an,d McKay in 1916 into the problem of mottled enamel, and the definite association of this anomaly with the fluorine content of drinking waters by Churchill (1931, 1932), the matter of fluorine intoxication has been studied in detail by different workers in various parts of the World. It has been shown that this mottling of the enamel occurs only if the fluorine content of the water is above 2 to 3 mg. per litre (Smith and Smith, 1932) or, a