7月11日，奥巴马在美国医学杂志（the Journal of the American Medical Association，简称“JAMA”）上刊登了名为《美国医改:现状和未来》（原名“United States Health Care Reform:Progress to Date and Next Steps”）的论文。 影响因子37.684 此文一经刊登，即被疯狂传阅，截至目前，其阅读量已超过50万。奥巴马成为美国第一个发表学术论文的在位总统。 原文链接： http://jama.jamanetwork.com/article.aspx?articleid=2533698 留下好友的邮箱，点击提交，您和好友分别得到50元优惠券！分享越多，您和好友得到的优惠就越多！ 活动截止到6月30日，期间统一发放优惠券到邮箱。
详细信息见 http://www.scimagojr.com/journalsearch.php?q=85291tip=sidclean=0 Journal of the American Medical Association Country : United States Subject Area : Medicine Subject Category : Medicine (miscellaneous) Publisher : American Medical Association . Publication type : Journals. ISSN : 00029955, 00987484, 15383598 Coverage: 1909, 1925, 1928-1929, 1935-1938, 1942, 1945-1946, 1949-1951, 1953, 1955, 1958-2009 H Index : 351 Charts Data SJR indicator vs. Cites per Doc (2y) // The SJR indicator measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is. Cites per Doc. (2y) measures the scientific impact of an average article published in the journal, it is computed using the same formula that journal impact factor (Thomson Reuters). Citation vs. Self-Citation // Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years. Cites per Document vs. External Cites per Document // Evolution of the number of total cites per document and external cites per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. Cites per Document in 2, 3 and 4 years windows // Evolution of Citations per Document to a journal's published documents during the two, three and four previous years. The two years line is equivalent to journal impact factor (Thomson Reuters) metric. International Collaboration // International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country. Journal's Citable vs. Non Citable Documents // Not every article in a journal is considered primary research and therefore citable, this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers, reviews and short reviews) in three years windows. Journal's Cited vs. Uncited Documents // Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year. Indicators 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 SJR 0,823 0,955 1,171 1,215 1,418 1,786 1,956 1,925 2,040 2,103 Total Documents 1.479 1.440 1.353 1.300 1.244 1.132 1.113 1.285 1.180 1.213 Total Docs. (3years) 4.725 4.707 4.556 4.272 4.093 3.897 3.676 3.489 3.530 3.578 Total References 17.864 17.280 18.271 20.279 19.443 16.961 18.784 16.948 16.905 16.643 Total Cites (3years) 15.648 19.765 23.436 23.062 26.866 31.471 33.637 31.128 28.063 26.368 Self Cites (3years) 437 436 508 549 598 480 460 569 495 396 Citable Docs. (3years) 1.696 1.769 1.834 1.806 1.799 1.837 1.793 1.748 1.543 1.372 Cites / Doc. (4years) 9,23 10,97 12,47 12,84 15,06 15,88 17,87 19,02 17,90 18,49 Cites / Doc. (3years) 9,23 11,17 12,78 12,77 14,93 17,13 18,76 17,81 18,19 19,22 Cites / Doc. (2years) 8,99 10,92 12,39 11,75 16,00 18,06 16,69 17,50 18,27 20,41 References / Doc. 12,08 12,00 13,50 15,60 15,63 14,98 16,88 13,19 14,33 13,72 Cited Docs. 1.801 1.947 2.026 2.031 2.034 1.980 1.898 1.815 1.676 1.624 Uncited Docs. 2.924 2.760 2.530 2.241 2.059 1.917 1.778 1.674 1.854 1.954 % International Collaboration 4,19 6,04 6,06 13,00 11,41 21,64 21,20 15,64 13,47 14,18
标签: JAMA
