title: The existence of critical levels for the actions of hormones and enzymes, with some therapeutic applications.
mesh_terms: D004798:Enzymes / Q000494:pharmacology*; D006728:Hormones / Q000494:pharmacology*; D006801:Humans
chemical_list: D004798:Enzymes; D006728:Hormones
keywords: ENZYMES/effects; HORMONES/effects