Aging of collagen in vitro.
D000375:Aging; D000818:Animals; D003094:Collagen; D003238:Connective Tissue / Q000502:physiology*; D066298:In Vitro Techniques; D051381:Rats; D012995:Solubility; D013710:Tendons; D014021:Tissue Preservation
D003094:Collagen