Effect of breathing helium on sympathetic nervous and cardiovascular functions.
D000818:Animals; D001794:Blood Pressure; D002395:Catecholamines / Q000097:blood; D002415:Cats; D006168:Guinea Pigs; D006371:Helium; D009206:Myocardium / Q000378:metabolism; D009541:Nictitating Membrane / Q000502:physiology; D009638:Norepinephrine / Q000378:metabolism; D051381:Rats; D013564:Sympathetic Nervous System; D013696:Temperature
D002395:Catecholamines; D006371:Helium; D009638:Norepinephrine