[Letter: Sleep disorders in the elderly].
D000368:Aged; D006801:Humans; D006993:Hypnotics and Sedatives / Q000009:adverse effects / Q000627:therapeutic use; D008875:Middle Aged; D012893:Sleep Wake Disorders / Q000188:drug therapy* / Q000209:etiology
D006993:Hypnotics and Sedatives
Safran antiarteriosklerotisch?