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(ep?i-de-me-ol'o-je) [ epi- + Gr. demos, people + -logy]
The study of the distribution and determinants of health-related states and events in populations and the application of this study to the control of health problems. Epidemiology is concerned with the study of epidemic diseases caused by infectious agents and with health-related phenomena including accidents, suicide, climate, toxic agents (e.g., lead, air pollution), and catastrophes due to ionizing radiation.
See: pharmacoepidemiologyepidemiologicepidemiological (ep?i-de-me-o-loj'ik) (ep?i-de-me-o-loj'i-kal), adjective
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References in periodicals archive ?
Hindsight underscores the need to substantiate epidemiological associations with sound, mechanistic studies of biological action before undertaking expensive clinical trials.
In some cases, the conclusions were based on surprisingly consistent epidemiological associations. With other chemicals or chemical classes, consistency was found in mechanisms of action.

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