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Exposure to the vapor increased cell death and the production of inflammatory chemicals

For examining the effects of each drug treatment on action potential activity, baseline firing rate was sampled and averaged over 1 min immediately prior to drug application, for nicotine, the response magnitude was determined comparing the baseline frequency determination with the average frequency during a 30 sec window centered on the peak effect

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The crystal structure of a complement-1q family protein suggests an evolutionary link to tumor necrosis factor