"Seguridad social." . . "United States." . . "Health insurance United States." . . "Health insurance." . . . . . . . . . . "Family medical costs and voluntary health insurance; a nationwide survey" . . "Family medical costs and voluntary health insurance : a nationwide survey" . "Family medical costs and voluntary health insurance : a nationwide survey"@en . . . "Family medical costs and voluntary health insurance"@en . . . . . . . . . . "Family medical costs and voluntary health insurance: a nationwide survey" . . . "Family medical costs and voluntary health insurance a nationwide survey"@en . "Family medical costs and voluntary health insurance a nationwide survey" . . "Family medical costs and voluntary health insurance : a nation-wide Survey" . . . . "Family Medical Costs and Voluntary Health Insurance: a nationwide survey. [By] O.W. Anderson ... with Jacob J. Feldman"@en . . . . . . . . "Medical care, Cost of." . . "Economics, Medical." . . "Assurance-maladie États-Unis." . . "Soins médicaux Coût États-Unis." . . "Insurance, Health United States." . . "Medical care, Cost of United States." . . . .