A Method of Record Linkage
In cancer epidemiology, prospective approaches are very important both in testing etiological hypotheses and in evaluating preventive procedures. Prospective studies, however, are very difficult and expensive, because a large number of people and a long period of observation are necessary for a sati...
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Published in | Environmental health perspectives Vol. 32; pp. 221 - 230 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
United States
National Institute of Environmental Health Sciences. National Institutes of Health. Department of Health, Education and Welfare
01.10.1979
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Subjects | |
Online Access | Get full text |
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