Journal of Neuroscience Research JNR Neuroscience Journal Wiley Online Library The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Safety and Efficacy of Approved and Unapproved Peptide Therapies for Musculoskeletal Injuries and Athletic Performance[v3] Preprints.org Mechanisms of differential desensitization of metabotropic glutamate receptors: Cell Reports The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Succinic acid enhances sedative activity of diazepam through GABAergic receptor modulation: Evidence from behavioral approach and computational insights Naunyn Schmiedeberg's Archives of Pharmacology Springer Nature Link