Stat bite: U.S. science and engineering articles.
D004738:Engineering / Q000706:statistics & numerical data; D005060:Europe; D006801:Humans; D007564:Japan; D020452:Journalism / Q000706:statistics & numerical data* / Q000639:trends; D012108:Research Personnel; D012109:Research Support as Topic; D012586:Science / Q000706:statistics & numerical data; D014481:United States