Putting the puzzle pieces together: the dynamic landscape of influenza vaccine and policy.
Poland
Gregory A
GA
D004196:Disease Outbreaks / Q000517:prevention & control; D005060:Europe; D006291:Health Policy / Q000639:trends*; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000517:prevention & control; D014481:United States
D007252:Influenza Vaccines