The whitefly Bemisia tabaci is a species complex,of which two invasive species,called MEAM1 and MED whiteflies,have invaded many parts of the world in the past
目的探讨经皮椎体后凸成形术后非骨折椎体发生骨折的原因。方法回顾性分析2010年6月至2014年6月采用经皮椎体后凸成形术治疗512例(618节)骨质疏松性椎体压缩骨折患者资料,男107例(121节),女405例(497节);年龄51~91岁,平均(70.38±7.59)岁;单节段骨折406例,双节段骨折106例;骨折节段为T4~L5;患者骨密度(bone mineral density, BMD)