慢性中耳炎的危险型可出现鼓膜松弛部的穿孔和鼓膜边缘性穿孔。
The aims of this project were to evaluate the acute segmental fixation afforded by fixation techniques: intralaminar, Pars, and pedicle.本研究的目的是评估固定技术如椎板内、狭部和椎弓根的即时节段间固定效果。
Large differences in Pars were observed, particularly for population groups and cities.我们观察到人群归因风险存在着重大差别,尤其是人群和城市的人群归因风险。