1. Democracy in America;Tocqueville,1966
2. American journey: travelling with Tocqueville in search of democracy in America;Reeves,1982
3. The social transformation of American medicine: the rise of a sovereign profession and the making of a vast industry;Starr,1982
4. US Congress, Office of Technology Assessment. Mechanical ventilation. In: Life-sustaining technology and the elderly, 1986
5. Home care for children on respirators;Burr;N Engl J Med,1983