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Randomly amplified polymorphic DNA (RAPD) genotyping was applied to one representative strain of each of the 84 electrophoretic types (ETs) of Neisseria meningitidis serogroup A previously defined by(More)
OBJECTIVE The effect of nationwide vaccination in The Netherlands with conjugate Haemophilus influenzae type b vaccine on the incidence of H. influenzae meningitis was assessed in the first 3 years(More)
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