[Hypersomnia conditions from the epidemiologic viewpoint].
D003604:Czechoslovakia; D006970:Disorders of Excessive Somnolence / Q000453:epidemiology*; D006801:Humans; D009290:Narcolepsy / Q000453:epidemiology*; D012893:Sleep Wake Disorders / Q000453:epidemiology*
Stavy chorobné spavosti z hlediska epidemiologického.