Variability in Dental Caries Experience and its Implication Upon Sample Size

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References

Hill, A. Bradford : Principles of Medical Statistics, ed. 4, London, 1948, The Lancet Limited, pp.68-93 and 112-116.

Knutson, J.W. , and Armstrong, W.D. : The Effect of Topically Applied Sodium Fluoride on Dental Caries Experience, Pub. Health Rep. 58: 1701-1715, 1943.

Several reports such as: Knutson , J.W. , and Armstrong, W.D. : The Effect of Topically Applied Sodium Fluoride on Dental Caries Experience, II., Pub. Health Rep. 60 : 1085-1090, 1945 .

Hill, A. Bradford : Principles of Medical Statistics ed. 4 London, 1948, The Lancet Limited, pp. 94-112.

Knutson, J.W. , and Armstrong, W.D. : The Effect of Topically Applied Sodium Fluoride on Dental Caries Experience, II., Pub. Health Rep . 60: 1087, 1945.