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. 2005 Jun 14;113(10):1330–1335. doi: 10.1289/ehp.8000

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Effect of arsenite on MLC phosphorylation in aortic rings. (A) Basal levels of MLC-P. (B) MLC and MLC-P levels stimulated by 10⁻⁸ M phenylephrine. See “Materials and Methods” for details. (C) Densitometric analysis of MLC-P/MLC (typical results of one of three independent experiments).