[The position during sleep and its relation to the age and cardiac diseases].
D000368:Aged / Q000502:physiology; D006331:Heart Diseases; D006801:Humans; D011187:Posture; D012890:Sleep / Q000502:physiology*
AGED/physiology; HEART DISEASE; POSTURE; SLEEP/physiology
Die Schlaflage und ihre Abhängigkeit von Alter und Herzkrankheiten.