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. 2008 May 21;116(10):1294–1299. doi: 10.1289/ehp.11021

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Relaxant effect of ACh in rat intrapulmonary arteries incubated for 24 hr in the absence (control) or presence of 200 μg/mL P60 ufcb (A), FW2 ufcb (B), fTiO₂ (C), or ufTiO2 (D). Data are mean ± SE from four or five rats. NS, not significant.