[Influenza vaccination in the elderly makes sense. Many confounding factors in observational research].
de Jong
Jan C
JC
Erasmus Medisch Centrum, afd. Virologie, Nationaal Influenza Centrum, Rotterdam, The Netherlands. jong7662@planet.nl
Hak
Eelko
E
Osterhaus
A D M E Ab
AD
D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D007252:Influenza Vaccines / Q000008:administration & dosage*; D007251:Influenza, Human / Q000401:mortality* / Q000517:prevention & control*; D008297:Male; D009426:Netherlands
D007252:Influenza Vaccines