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The Impact of Residency and Urbanicity on Haemophilus influenzae Type b and Pneumococcal Immunization in Shanghai Children: A Retrospective Cohort Study
- Abram L. Wagner,
- Xiaodong Sun,
- JoLynn P. Montgomery,
- Zhuoying Huang,
- Matthew L. Boulton
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- Published: May 14, 2014
- https://doi.org/10.1371/journal.pone.0097800