[Importance of combined vaccines in epidemiologic service].
D004813:Epidemiology; D006801:Humans; D011634:Public Health; D014612:Vaccines; D017778:Vaccines, Combined
D014612:Vaccines; D017778:Vaccines, Combined
EPIDEMIOLOGY; PUBLIC HEALTH; VACCINE
Znacaj mijesanih vakcina u epidemioloskoj sluzbi.