No abstract available
MeSH terms
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Administration, Cutaneous
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Clinical Trials as Topic
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Collagen Type I / biosynthesis*
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Facial Dermatoses / pathology
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Facial Dermatoses / prevention & control*
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Humans
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Peptides / administration & dosage*
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Procollagen / biosynthesis*
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Skin Aging*
Substances
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Collagen Type I
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Peptides
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Procollagen