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" All scientific work is incomplete — whether it be observational or experimental. All scientific work is liable to be upset or modified by advancing knowledge. That does not confer upon us a freedom to ignore the knowledge we already have, or to postpone... "
Nutrición y salud pública: métodos, bases científicas y aplicaciones - Página 72
editado por - 826 páginas
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Hearings, Reports and Prints of the Joint Economic Committee

United States. Congress. Joint Economic Committee - 1968
...before acting. The fact that all scientific work is subject to revision in light of advancing knowledge does not confer upon us a freedom to ignore the knowledge we already have, or to postpone action when knowledge appears to demand it at a given time. Air pollution control technology is available...
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Air Quality Criteria: Staff Report Prepared for the Use of the Subcommittee ...

United States. Congress. Senate. Committee on Public Works - 1968 - 69 páginas
...causation available. This philosophy was appropriately expressed by Sir AB Hill ( 1962) when he wrote : "All scientific work is incomplete — whether it...knowledge we already have, or to postpone the action that it appears to demand at a given time." The lessons of the past in general health and safety practices...
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The Inner City Environment and the Role of the Environmental Protection ...

United States. Congress. Senate. Committee on Commerce. Subcommittee on the Environment - 1972 - 340 páginas
...for lead free gasoline, and lead-free lungs.7 C. Several decisive actions are required without delay All scientific work is incomplete — whether it be...knowledge we already have, or to postpone the action that it appears to demand at a given time (Hill, 1965). At best, knowledge of the scientific and medical...
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Nondegradation Policy of the Clean Air Act: Hearing, Ninety-third Congress ...

United States. Congress. Senate. Committee on Public Works. Subcommittee on Air and Water Pollution - 1973 - 418 páginas
...Hill, who is one of the great leaders of the world in public health statistics. At that time he said : All scientific work Is incomplete, whether it be observational...advancing knowledge. That does not confer upon us the freedom to ignore the knowledge we already have or to postpone the action that it appears to demand...
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Automotive Lead Emissions: Hearings Before the Panel on ..., Parte2

United States. Congress. Senate. Committee on Public Works. Panel on Environmental Science and Technology - 1974
...emphatically that this does not imply crossing every V and swords with every critic l>efore we act. "All scientific work is incomplete — whether it...knowledge we already have, or to postpone the action that it appears to demand at a given time."* These quotations provide satisfying support of my view...
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Automotive Lead Emissions, Hearings Before the Panel on Environmental ...

United States. Congress. Senate. Committee on Public Works - 1974
...'t' and swords with every critic before we act. "All scientific work is incomplete — whether ¡t be observational or experimental. All scientific work...knowledge we already have, or to postpone the action that it appears to demand at a given time."* These quotations provide satisfying support of my view...
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Information on Levels of Environmental Noise Requisite to Protect Public ...

United States. Office of Noise Abatement and Control - 1974 - 150 páginas
...appropriately expressed by Sir EB Hill, 1962, when he wrote: "All scientific work is incomplete-whether it be observational or experimental. All scientific...advancing knowledge. That does not confer upon us freedom to lower the knowledge we already have, or to postpone the action that it appears to demand...
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Epidemiology in Medicine, Volumen515

Julie E. Buring - 1987 - 383 páginas
...a complete understanding of the disease or its biologic mechanism. As Bradford Hill [14] cautioned: "All scientific work is incomplete — whether it...liable to be upset or modified by advancing knowledge. This does not confer upon us a freedom to ignore the knowledge we already have, or to postpone the...
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National Nutrition Monitoring and Related Research Act of 1987 ..., Volumen4

United States. Congress. Senate. Committee on Governmental Affairs - 1988 - 775 páginas
...our knowledge, the existing evidence cannot be set aside to await absolute answers. As Hill stated, "All scientific work is liable to be upset or modified...knowledge we already have , or to postpone the action that it appears to demand at a given time." (Hill, 1983) The exigencies of public health problems require...
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National Nutrition Monitoring and Related Research Act of 1987 ..., Volumen4

United States. Congress. Senate. Committee on Governmental Affairs - 1988 - 775 páginas
...about that sort of thing. This is Dr. Bradford Hill: "All scientific work is incomplete, whether it may be observational or experimental. All scientific work...advancing knowledge. That does not confer upon us the freedom to ignore the knowledge we already have or to postpone the action that it appears to demand...
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