Objective: to explore the canines calcification as a indicator of the pubertal growth spurt in children.

目的：探索用尖牙牙龄判断儿童青春发育期。

youdao

Objective: to explore the canines calcification as a indicator of the pubertal growth spurt in children.

目的：探索用尖牙牙龄判断儿童青春发育期。

youdao