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Resumo

Hand‐wrist radiographs from 326 Guamanian children (180 boys and 146 girls) were evaluated for total width, medullary width, length, and combined cortical thickness of the second metacarpal. Bone measurements as well as standing height and weight were compared to similar published data from U.S. mainland black, white, and Mexican‐American children. The results demonstrated that the second metacarpal bones of Guamanian boys and girls of all age groups (5–17 years) have a narrower width and shorter length with less combined cortical thickness than any of the other groups. Guamanian children also weighed less and were of shorter stature than their black, white, or Mexican‐American counterparts. These results agree closely with those comparisons between Guamanian and U.S. mainland white adults published earlier. It is not possible from the present data to ascertain whether these differences were due to genetic variability or nutritional deficiency.

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