Reports

Bone Density Measurements in vivo: Improvement of X-ray Densitometry

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Science  08 Oct 1965:
Vol. 150, Issue 3693, pp. 221-222
DOI: 10.1126/science.150.3693.221

Abstract

An X-ray bone densitometer has been developed which makes direct tracings of absorption curves on a nearly linear scale. Speed and precision are increased by elimination of x-ray film. Results are reproducible to within 3 percent with a phantom finger, and within 6 percent with human subjects.

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