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6817 Social & Preventive Medicine

A study was initiated in 1970 with a population of 5000 adults. They were enquired about their drinking habits to study the relationship of alcohol consumption to the subsequent occurrence of cancer. The study was planned for 20 years till 1990-1995. This is an example of what type of epidemiological study?

ACross-Sectional Study
BCase Control Study
CCurrent cohort Study
DRetrospective cohort Study
Social & Preventive Medicine
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