Some issues associated with migration, health status and the use of health services.
D004641:Emigration and Immigration; D004777:Environment; D006262:Health; D006296:Health Services / Q000706:statistics & numerical data*; D006801:Humans; D009042:Motivation; D009520:New Zealand; D011593:Psychology, Social; D012922:Social Change; D012926:Social Control, Formal / Q000266:history; D014171:Transients and Migrants; D014481:United States