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PMID: 6145137
View at Publisher | View at Google Scholar Lingvay I, Sumithran P, Cohen RV, le Roux CW
Insert the needle into the vial and push the air in
Non-invasive Alternative: Nasal sprays provide a less invasive option than injections, potentially improving adherence in long-term research protocols
The concentration was 50 to 100 times lower than standard GHK-Cu serums (0.02% vs 1 to 2%), which likely explains the modest outcome
This upregulation enhances cellular responsiveness to growth hormone, potentially amplifying endogenous growth factor signaling critical for tissue regeneration
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