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Diet and cancer: methodological complexities and case-control studies in Greece
D Trichopoulos1, A Tzonou, K Katsouyanni
1Department of Epidemiology, Harvard School of Public Health, Boston, MA 02115.
Progress in Clinical and Biological Research
|January 1, 1990
Abstract:
Some methodological difficulties of epidemiological studies exploring the role of diet in the etiology of human cancer are considered and suggested corrective approaches are discussed. The advantages and disadvantages of case-control studies in this field are critically examined. The results and implications of several such studies undertaken in Greece are reviewed.