The coronavirus disease (COVID-19) pandemic has led to a global struggle to cope with the sheer numbers of infected pers......

目的探讨在骨性Ⅲ类错正畸-正颌联合治疗的术前正畸中改良骨皮质切开术（improved corticotomy, IC）对牙根周围牙槽骨厚度和牙根长度......

We investigated regeneration of the corticospinal tract and rearrangement of corticospinal nerves after spinal cord inju......

目的：了解产前糖皮质激素干预对胎膜早破性早产新生儿结局的影响。方法：对我院286例胎膜早破性早产病例的临床资料进行回顾性分析。......

日本帝人公司研制成100％涤纶长丝织物Cortico，有天然纤维外观，称为“2l世纪”舒适面料。织物采用竹节丝，单丝纤度和截面形状呈不规则性......