[Prevention of influenza in nursing homes].
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HA
Nygaard
D000368:Aged; D003428:Cross Infection / Q000517:prevention & control; D006801:Humans; D017053:Infection Control; D007251:Influenza, Human / Q000517:prevention & control*; D009664:Norway; D009735:Nursing Homes
Smittevern ved influensa i sykehjem.