Collagen crosslinks: direct evidence of a reducible stable form of the Schiff base delta-6 dehydro-5,5-dihydroxylysinonorleucine as 5-keto-5'hydroxylysinonorleucine in bone collagen.

Collagen crosslinks: direct evidence of a reducible stable form of the Schiff base delta-6 dehydro-5,5-dihydroxylysinonorleucine as 5-keto-5'hydroxylysinonorleucine in bone collagen.