[Vaccines today and tomorrow. Vaccination trends in developing countries: 90 per cent of children will be vaccinated by the year of 2000].
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D002648:Child; D003906:Developing Countries; D006801:Humans; D014611:Vaccination / Q000639:trends*
Vacciner idag och i morgon. Vaccintrend i u-land: 90 procent av barnen vaccineras år 2000.