Thoracic index in the Negro
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The following investigations were undertaken in order to determine the thoracic index, (i. e. the ratio of the antero-posterior to the transverse diameter) according to age and sex in the Negro, by means of a series of measurements made upon the living body. In addition, a number of observations were made to determine the character of the thoracic index in the embryo and foetus, (independent of race).
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