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PubMed PMID: 33192260) and a sleep-deprivation learning study in aging mice (PubMed PMID: 37035833), all of which dosed metal-free GHK rather than the copper complex — and no conclusion about human outcomes can be drawn from any of them

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Table 3: Risk for bleeding complications on anticoagulation therapy 34-36 Abbreviations: ASA = acetylsalicylic acid