热重的结果表明，聚醋酸乙烯酯与聚丙烯共混后，其热稳定性增加，同时用Ｘ射线衍射及双折射等方法研究了ＰＶＡＣ／ＰＰ复合纤维的结构与力学性能的关系，发......

Introduction: The lateral extensile approach has been a widely accepted surgical approach in treatment of intraarticular......