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.
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.
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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