Estimates of global production in cardiovascular diseases research

Research confuses me: what is the difference between case-control and cohort studies in quantitative research?

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Citation Indexes for Science

Eugene Garfield · Science · 1955 · 2.3K citations

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Mahbubur Rahman, Tsuguya Fukui · Public Health · 2003 · 179 citations

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Terttu Luukkonen · Annals of Medicine · 1990 · 135 citations

Management, Performance Management, Comparative Effectiveness Research +14