目的：研究传统上颌窦根治术后上颌窦局部骨质增生与瘢痕形成的病理改变情况，并讨论其临床意义。
AIM: To study the pathological changes of maxillary sinus in the patients after conventional maxillary radical treatment, Caldwell-Luc operation, and discuss its clinic significance.
目的：观察急性脑梗死患者血清甲状腺激素水平的变化，并探讨其临床意义。
Objective: to investigate the change of serum thyroid hormone in patients with acute cerebral infarction and to explore its clinical significance.
目的测量股骨偏心距的大小并探讨其临床意义。
Objective To investage the range of femoral offset and explore its clinical significance.
应用推荐