用单光子吸收扫描与X线摄片计测法，对54例测试者的骨质疏松情况进行了自身对照测定和比较。

The status of osteoporosis in 54 volunteers was measured by Single Photon Absorptiometry and measurement of the X-ray film with a self-control trial design.

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单光子吸收法（SPA）是活体测定人或动物骨矿含量的非侵入性方法之一。

Single photon absorptiometry (SPA) is one of noninvasive techniques, with which bone mineral content in animals or human can be measured in vivo.

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