DOI:
10.1055/s-00000002
Aktuelle Dermatologie
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References
Bolke L, Schlippe G, Gerß J. et al.
A Collagen Supplement Improves Skin Hydration, Elasticity, Roughness, and Density: Results of a Randomized, Placebo-Controlled, Blind Study.
Nutrients 2019;
DOI: 10.3390/nu11102494.
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