title: Access delayed.
authors.forename: Karen
authors.initials: K
authors.lastname: Kreeger
mesh_terms: D004641:Emigration and Immigration / Q000331:legislation & jurisprudence* / Q000639:trends; D012108:Research Personnel / Q000331:legislation & jurisprudence*; D012637:Security Measures / Q000191:economics / Q000331:legislation & jurisprudence*; D013334:Students / Q000331:legislation & jurisprudence; D023481:Terrorism / Q000517:prevention & control*; D013997:Time Factors; D014481:United States