A total of 109 patients underwent physical examination, electrocardiogram and echo cardiography.总计109个病人做了体格检查, 心电图,超生心动图.Objective To Validte the Yeliabil of left ventricle ejection fraction ( LEF ) measured by reconstr...
Many of the old agricultural collectives are now being turned into agribusiness corporations.许多老式的农业合作群体现在正在转型为农业综合经营公司。Their water was turned off weeks ago without explanation.他们的水在几周以前就毫无理由地被切断了。…finely-turned metal.精心...