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Fig. 8. Effect of post-perfusion flushing of excised intestine on epithelial (A) and subepithelial (B) Zn(II) accumulation rate (nmol g–1 h–1). Values are means ± S.E.M. (N=3–4). Significant differences * between perfused Zn(II) concentrations; {ddagger} between control and flushed treatments; § between EGTA-free and EGTA solutions, where indicated, are at P<0.05.