单词：atria cordis
单词：atria cordis 相关文章
By Lisa Schlein Geneva 30 June 2007 The U.N. refugee agency is ending its repatriation program for Liberian refugees Saturday. Since the operation began 2.5 years ago, the UNHCR has helped more than 100,000 refugees return home from neighboring count
2007年VOA标准英语（六月）
Are You Sure Your Hearts In The Right Place?你能确定自己的心脏是在正确的位置上么？ On todays Moment of Science, were sure your hearts in the right place. But where is it exactly?!? CPR classes show how to press on the sternum, in t
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By Lisa Schlein Geneva 13 December 2006 The United Nations High Commissioner for Refugees begins returning to south Sudan an estimated 11,000 refugees from Ethiopia, Wednesday, and another 8,000 from the Central African Republic, Saturday, to the ho
2006年VOA标准英语（十二月）
The UN refugee agency says it is running out of money to help Southern Sudan refugees go home. The UNHCR says it has a shortfall of $11.9 million. It warns it will be forced to shut down the repatriation operation this year if it does not get the mo
VOA标准英语2008年（七月）
WASHINGTON, Nov. 11 (Xinhua) -- The U.S. Food and Drug Administration (FDA) on Friday approved HEMACORD, the first licensed hematopoietic progenitor cells-cord cell therapy. HEMACORD is indicated for use in hematopoietic stem cell transplantation pro
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By Robert Raffaele Washington 06 May 2008 Medical researchers say a simple decision by expectant mothers can mean the difference between life and death for thousands of people. Blood from umbilical cords has been used in life-saving transplants for p
VOA标准英语2008年（五月）