The authors describe a 2-year-old girl with a right-sided aortic arch who developed a sudden, fatal aortoesophageal fistula after prolonged placement of Montgom
BACKGROUND:Only 105 cases of neuroendocrine tumor(NET)of the ampulla of Vater have been described, mostly as single case reports.The incidence of NET is rising.
In July 2003 assisted by the CPAFFC, the NHK TV program Global Walk plotted and producedby the Haxen International Inc. of Japan was filmed in Beijing, Shanghai
同位素及天然示踪法探测坝基渗流场研究陈建生杜国平刘爱光郑正刘怀成高国治(江苏省农业科学院原子能农业利用研究所,南京210014)StudyonDetectingSeepageandLeakageFlowofDamBasebyUsingIsotopea...
Study on the Seepage Field of Dam Foundation