Absent or shortened nasal bone length and the detection of down syndrome in second-trimester fetuses.
缺失或缩短的鼻骨长度和中期妊娠胎儿患唐氏综合症的检测。
The different time radiography, bone length measurement values different, in that the same should be removed.
不同时间摄片的月状骨长度测量值不同,在进行同一认定时应剔除。
Prediction equations for liver weight with body weight and keel bone length as independent variants are presented.
用体重和胸骨长作自变量,肝重作依变量建立了二元回归方程。
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