Diet and cancer: methodological complexities and case-control studies in Greece.
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.
Trichopoulos
D
D
Department of Epidemiology, Harvard School of Public Health, Boston, MA 02115.
Tzonou
A
A
Katsouyanni
K
K
Trichopoulou
A
A
D015982:Bias; D016022:Case-Control Studies; D015331:Cohort Studies; D004032:Diet / Q000009:adverse effects*; D006115:Greece / Q000453:epidemiology; D006801:Humans; D008722:Methods; D009369:Neoplasms / Q000453:epidemiology* / Q000209:etiology; D012307:Risk Factors