[Demonstration of the increase of the binding of hydroxyproline in the collagen of the skin with age].
D003094:Collagen / Q000737:chemistry*; D006909:Hydroxyproline; D011392:Proline / Q000737:chemistry*; D012867:Skin
D003094:Collagen; D011392:Proline; D006909:Hydroxyproline
COLLAGEN/chemistry; PROLINE/chemistry