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2014年, Journal of Cardiovascular Development and Disease ( JCDD ) 正式创刊。期刊旨在发表有关心血管发育以及先天性和获得性心脏病的研究成果,在这10年里,坚持在心血管领域的不断探索,致力于为科研工作者提供展示科研成果、学术交流的平台,传播心血管科学研究的前沿知识。愿未来的岁月里,继续与全球学者 ...
When I first arrived in the US on 9/1950, the cost of mailing a simple letter is 3 cents. Over the years, the cost of a letter gradually rises to over half a dollar however the speed of letter delivery also increased in the US. Even though not guaranteed, a letter mailed in the morning will general ...