| http://www.w3.org/ns/prov#value | - Considering that some health effects, such as myocardial infarctions, may be associated with very short-term exposures, time spent in microenvironments where “high” exposures exist even for short durations, such as in a car during heavy traffic, can also be important (<a href=http://ehp03.niehs.nih.gov/article/fetchArticle.action?articleURI=info%3Adoi%2F10.1289%2Fehp.1002246#r61>Mill
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