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2012;44(3):145-152 Aguado A

Collagen improves skin firmness, hydration, and elasticity

Acta 510, 442449

[DOI] [PMC free article] [PubMed] [Google Scholar] 210.Chiu D.T., Huang T.Y., Hung I.J., Wei J.S., Liu T.Z., Stern A
