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A conversion of proline to hydroxyproline occurs only at proline residues that are part of a polypeptide chain
More Tips on Making the Most of Copper Peptides and Retinol Together New to retinol
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This is not a theoretical risk
Cosmetic use should not be confused with approved drug treatment because cosmetics and drugs have different evidence and regulatory requirements [11]
van Vliet EA, Aronica E, Gorter JA
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