Martin Ruther

• Köln, 31. Mai 1942
• Medicare, use of hospital outpatient services by the aged, 1975
• "--nur schuldig in meinem guten Glauben"
• "Spätere Geschlechter können sich keinen Begriff machen!"
• Köln im Zweiten Weltkrieg
• Medicaid: use and cost of services, fiscal year 1985
• Medicare
• Medicare and Medicaid Data Book, 1984
• Medicare, health insurance for the aged and disabled, 1975
• Medicare, use of short-stay hospitals by aged and disabled inpatients, 1978
• Medicare: deductible and coinsurance amounts incurred by beneficiaries discharged from short-stay hospitals, 1983-84
• Use and cost of home health agency services under Medicare