X -ray and CT scan showed that the tumors located at periosteum with irregular rim and visible radiated shadow of bone substance.

线片及CT显示肿物位于骨旁，外缘不规则，可见放射状骨针影；

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Conclusions The change of bone substance for each type and degree has a close correlation with fluoride concentration in drinking water.

结论各种类型和各种程度的骨质改变的出现与饮水氟水平密切相关。

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Result: 38 patients with this disease were treated with MEBO without removing necrotic bone substance and were subjected to delayed skin grafting.

结果：38例患者骨烧伤创面未凿除坏死骨质，延期植皮后创面恢复良好。

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Overuse of vitamin D, a substance that promotes the growth of bone and teeth in children, can be particularly toxic, as can overuse of the mineral iron by older adults.

CNN: ASIANOW - TIME Asia