Puzzling Over a Potential Killer's Modus Operandi

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Science  25 Jul 1997:
Vol. 277, Issue 5325, pp. 469
DOI: 10.1126/science.277.5325.469

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A big gap in the science behind new clean air regulations is the lack of understanding about how airborne particles could trigger a bout of asthma or cause someone to drop dead of a heart attack. A dozen labs are now racing to find a modus operandi, and some recent results have begun to mimic in animals the mortality patterns seen in people.