[The importance of friends for the elderly person].
D000368:Aged / Q000523:psychology*; D003469:Culture; D005260:Female; D006801:Humans; D007398:Interpersonal Relations; D008019:Life Style; D008297:Male; D009426:Netherlands; D010287:Parent-Child Relations; D010379:Peer Group
Het belang van vrienden voor de bejaarde mens.