The caries rate increased rapidly with aging from 7 to 12. After 12 the caries rate increased slowly.
女性患龋率高于男性,7 ~ 12岁第一恒磨牙患龋率随年龄增长明显升高,12岁后患龋率上升变化较为平缓。
The paper reports the normal value of serum ferritin in people aging from 27 days to 61 years old, measured by radioimmunoassay.
本文用放免法分别测定27日龄到61岁各年龄组男女性血清铁蛋白正常值。
In fact, this problem of energy loss is found in most chronic disease and aging — from diabetes to heart disease to dementia.
事实上,能量流失的问题存在于大多数慢性病和衰老中,从糖尿病、心脏病到痴呆症都有。
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