[The ratio DPN/DPN-H (free) in different tissue sections and single cell fractions of young and old bovine crystalline lens].
D000818:Animals; D002417:Cattle; D003067:Coenzymes / Q000737:chemistry*; D007908:Lens, Crystalline / Q000737:chemistry*; D009243:NAD
D003067:Coenzymes; D009243:NAD
COENZYMES/chemistry; LENS, CRYSTALLINE/chemistry