美国国家医学图书馆创办了1836年,经150多年的不断完善和发展,现成为第一流的国际级世界上单一学科最大的医学图书馆、全国医学科学情报网的中心、美国医学研究的基地之一。它储存着全世界13500种医学杂志中600万篇文章的摘要,珍藏着用70种语言文字出版的370万册医学书籍和期刊。该馆网络规模巨大,遍及全国各地,包括7个地区级、135 The National Library of Medicine was founded in 1836. After more than 150 years of continuous improvement and development, the National Library of Medicine now becomes the world’s largest single-disciplinary medical library, the national medical science information network center, and the base of medical research in the United States one. It contains a digest of 6 million articles in 13,500 medical journals around the world and houses 3.7 million medical books and journals in 70 languages. The museum network is huge, covering all parts of the country, including seven regional levels, 135