Still, the first medical communication on medi- cal IUD was published in Germany, at the beginning of the twentieth century by Richter [4], who reported the results of intrauterine insertion of a metallic ring with catgut tied around it. In the 1920s, Ernest Graefenberg attached a silver ...
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> 1083 m laser operation in Nd,MgLiTaO3 crystal:1083μm激光手术Nd,mglitao3晶体 下载文档 收藏 打印 转格式 44阅读文档大小:171.09K5页万百度文库上传于2015-03-11格式:PDF Crystal growth of laser oxides in the vertical Bridgman configuration