Hospitalization of Metropolitan Employees in 1975.
D000293:Adolescent; D000328:Adult; D004651:Employment; D005260:Female; D006760:Hospitalization; D006801:Humans; D007352:Insurance, Life; D007902:Length of Stay; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D012737:Sex Factors; D014481:United States