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. 2012 Apr 27;120(8):1088–1093. doi: 10.1289/ehp.1104684

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A single exposure to DE increases the number of cardiac arrhythmias in rats during dobutamine challenge. Abbreviations: APBs, atrial premature beats; NCPWs, non-conducted p-waves; VPBs, ventricular premature beats. Values are presented as mean ± SE. Exposure to DE significantly increased the number of VPBs in WKY rats and APBs (atrial premature beats) in SH rats during dobutamine challenge when compared with those exposed to FA (controls). *p < 0.05 compared with FA controls; n = 5–6.