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When it comes to GHK-Cu vs AHK-Cu, the debate is less about which peptide is better and more so about understanding what each one does and why your skin may need both
Updated February, 2008
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As effect size indicators we used odds ratio (OR, with the 95% confidence interval), percentage of correct classification and Nagelkerke r 2
Simultaneous administration of potassium-sparing diuretics may be associated with increased serum potassium concentration
