If either parent carries the defective gene for myotonic dystrophy, there's a 50 percent chance the disorder will be passed along to a child.
如果父母一方携带有缺陷基因强直性肌营养不良，有百分之五十的机会的一个障碍将被传递给一个孩子。
The present paper introduced the use of acid etching technique to restore the defective anterior teeth in child patients.
本文介绍酸蚀技术在修复患儿前牙牙体缺损的应用。
应用推荐