4Harvey V, Fineberg.Retooling for an aging America.Medscape J Med,2008,10(8):188.
5Commission of the European Commtmities.Green Paper on the European Workface for Health.(2009- 03-15).http://ec.europa.eu/health/ph_systems/docs/ workforce_gp_en.pdf.
6Yu X.International migration of nurses and human development.Home Health Care Management & Practice,2007,20( 1):87-90.