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...
I started puttering around outside, not knowing what I was doing...我开始在外面闲荡，不知道自己在做什么。Parents often feel helpless, knowing that all the cuddles in the world won't stop the tears...父母经常感到无能为力，因为他们知道无论多少次拥抱也无法止住眼泪。She...