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Zn and Zn-3Ag reduce proliferation of human aortic smooth muscle cells (HAoSMC). Viable cells surrounding material discs (A), and cells attached directly to the material (B) stained with a green fluorescent cell proliferation (CSFE) kit and red fluorescent propidium-iodide were microphotographed and cell numbers calculated. Significance levels are illustrated as follows: *: p < .05; **: p < .01.
