Determination of the kinetic constants of two consecutive first-order reactions.
D000818:Animals; D002247:Carbon Isotopes; D002540:Cerebral Cortex / Q000378:metabolism*; D006168:Guinea Pigs; D066298:In Vitro Techniques; D007700:Kinetics; D008433:Mathematics; D014633:Valine / Q000378:metabolism*
D002247:Carbon Isotopes; D014633:Valine