Sudden swimming deaths: cardiac function, experimental anoxia, and learned helplessness.
D000818:Animals; D003645:Death, Sudden / Q000209:etiology*; D004195:Disease Models, Animal; D006339:Heart Rate; D000860:Hypoxia / Q000150:complications*; D008297:Male; D009042:Motivation; D010275:Parasympathetic Nervous System / Q000502:physiology; D051381:Rats; D013550:Swimming