title: Antagonism of ketamine by 4-aminopyridine and physostigmine.
mesh_terms: D015761:4-Aminopyridine; D000631:Aminopyridines / Q000494:pharmacology*; D006801:Humans; D007649:Ketamine / Q000037:antagonists & inhibitors*; D010830:Physostigmine / Q000494:pharmacology*
chemical_list: D000631:Aminopyridines; D007649:Ketamine; D010830:Physostigmine; D015761:4-Aminopyridine