title: Deuterium and tritium kinetic isotope effects on initial rates.
mesh_terms: D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003903:Deuterium; D004798:Enzymes / Q000378:metabolism*; D007700:Kinetics; D009626:Terminology as Topic; D014316:Tritium
chemical_list: D004798:Enzymes; D014316:Tritium; D003903:Deuterium