Kuntz D
Ann Med Interne (Paris). 1979;130(3):147-51.
Loss of bone with advancing age can be evaluated by different methods: tomography, measuring the metacarpal corticomedullary index by monochromatic photonic bone absorptiometry, or by the bone-calcium mass as measured by neutronic activation in vivo. Analogous results are given by all these methods: there is reduction in the total bone mass after fifty years or so in women, and after about sixty years in men. The authors discuss the physiopathology of the osteopenia with increasing age, and more particularly the role of oestrogen-deprivation after the menopause.
断层扫描、用单色光子骨吸收测定法测量掌骨皮质髓质指数，或通过体内中子活化测量骨钙质量。所有这些方法给出的结果类似：女性大约五十岁后、男性大约六十岁后骨总量会减少。作者讨论了随着年龄增长骨质减少的生理病理学，尤其探讨了绝经后雌激素缺乏的作用。
