"Health Services for the Aged United States Directory." . . "Public Health United States Directory." . . "Medicare Directory." . . . . . . . . . . "Hospitals, Title XVIII"@en . . . . . . . "Directory of Medicare providers of services : hospitals, Title XVIII : health insurance for the aged"@en . . . . . "Directories"@en . . "Directory of Medicare providers of services hospitals, Title XVIII : health insurance for the aged"@en . . . "Hospitals United States Directory." . .