Banzer D, Klemm T, Schneider U
Dtsch Med Wochenschr. 1976 Dec 3;101(49):1794-7. doi: 10.1055/s-0028-1104340.
Normal mineral content of the calcaneus was determined in 137 healthy persons aged 3 to 20 years. Calcium-salt content increased with age, reaching 60% of its final value in the sixth year of life. In females mineralisation was practically complete in the 15th year.
测定了137名3至20岁健康人的跟骨正常矿物质含量。钙盐含量随年龄增长而增加,在6岁时达到其最终值的60%。女性在15岁时矿化基本完成。