Studies on human populations, which attempt to link human health effects (e.g. cancer) to a cause (e.g. exposure to a specific chemical).
Source: GreenFacts
The most common types of epidemiological studies are case-control studies; cohort studies and cross-sectional studies.
Source: GreenFacts
Deutsch: Epidemiologische Studien
Español: Estudios epidemiológicos
Français: Etude(s) épidémiologique(s)