title: Effect of naloxone on loss of consciousness induced by i.v. ketamine.
mesh_terms: D005260:Female; D006801:Humans; D007649:Ketamine / Q000037:antagonists & inhibitors*; D009270:Naloxone / Q000494:pharmacology*; D011247:Pregnancy; D014474:Unconsciousness / Q000139:chemically induced*
chemical_list: D009270:Naloxone; D007649:Ketamine