Medical inspection of immigrants at Ellis Island, 1891-1924.
D004641:Emigration and Immigration / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009519:New York City; D010808:Physical Examination; D014141:Trachoma / Q000266:history; D014481:United States; D014492:United States Public Health Service / Q000266:history*