These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.
Pubmed for Handhelds
PUBMED FOR HANDHELDS
Search MEDLINE/PubMed
Title: [The United States: a secure frontier and identity controls?]. Author: Ceyhan A. Journal: Cult Confl; 1997; (26-27):235-54. PubMed ID: 12294773. Abstract: The author examines the concept of "the frontier" in American history, and particularly the process of change over time whereby a generally positive attitude toward immigration to the United States has gradually changed to the current attitude, in which uncontrolled immigration is increasingly viewed as a growing security threat. The difference between the way the U.S. authorities attempt to control migration across the country's northern and southern borders is noted.[Abstract] [Full Text] [Related] [New Search]