PEDIATRICS Vol. 25 No. 1 January 1960, pp. 168-169
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Letters to the Editor

PETER L. HURST M.D.

In their letter to the editor Talbot and Richie are attempting to demonstrate two independent equations. The first concerns the relationship between fluid requirements and the two-thirds power of weight. The second concerns the relationship between surface area and the two-thirds power of weight. Whereas, according to their Figure 1, there can be no controversy over the first relationship, controversy over the second relationship continues and is not clarified by the authors. Since their aim to calculate fluid requirements for all ages in a uniform manner is accomplished by expressing it as a function of the two-thirds power of weight, the additional concept of surface area is unnecessary and confusing.