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July 2, 1932


JAMA. 1932;99(1):37-38. doi:10.1001/jama.1932.02740530039013

One naturally thinks of the observation and measurements of a large number of persons at different ages and under different conditions as a simple way of securing useful information regarding growth. The investigator in this field is at once confronted with a practical difficulty in deciding how the crucial measurements shall be made. The procedure that promptly suggests itself, of securing data on the body weight, is far from a satisfactory way of estimating changes in size or development. There are changes in stature, muscular development, body proportions and so on that may be quite as significant as gains in weight; indeed, they may occur independent of the body weight. If there is such a condition as a "normal build" of the body, it may betray itself only by measurements that are not necessarily related to the weight. Consequently, attempts have been made to introduce other estimates into the study

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