title: Theorem in chemical kinetics.
mesh_terms: D002247:Carbon Isotopes; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D004798:Enzymes / Q000378:metabolism; D007700:Kinetics; D011868:Radioisotopes; D013256:Steroids / Q000378:metabolism; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D004798:Enzymes; D011868:Radioisotopes; D013256:Steroids; D014316:Tritium