Extract from

AUSTRALIAN DENTAL JOURNAL 1970

… It was found that the fluoride concentration
of the Carnarvon water supplies varied  from
0.2 ppm to 2.0 ppm.  The 0.2 ppm fluoride was
found in river pools and when the river was
in flood this water was used primarily
for irrigation purposes… 

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 Full text → HERE

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 Full text → HERE

 Extract from:

AUSTRALIAN DENTAL JOURNAL 1970 

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Numerous other studies on the same theme have
been undertaken in Western Australia

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 Fluoridation and Renal Disease in Aboriginal Communities

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