Proportion of 3-5-year-old children with pneumococcal serotype IgG antibody titers ≥ 0.35 μg/ml and ≥ 1 μg/ml before challenge.
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Proportion of 3-5-year-old children with pneumococcal serotype IgG antibody titers ≥ 0.35 μg/ml and ≥ 1 μg/ml before challenge.
创建时间：
2017-10-14
