title: Effective routes of drug administration during cardiac arrest.
mesh_terms: D000818:Animals; D004285:Dogs; D004809:Ephedrine / Q000008:administration & dosage*; D006321:Heart / Q000187:drug effects*; D006323:Heart Arrest / Q000188:drug therapy*; D007275:Injections, Intravenous; D007442:Intubation, Intratracheal; D014059:Tongue
chemical_list: D004809:Ephedrine