Too many vaccinations?
Wouler
W
Havinga
D002648:Child; D002908:Chronic Disease / Q000453:epidemiology*; D004781:Environmental Exposure / Q000009:adverse effects / Q000706:statistics & numerical data*; D006801:Humans; D007109:Immunity; D014611:Vaccination / Q000009:adverse effects / Q000706:statistics & numerical data*