Cite
HARVARD Citation
Chong, C. et al. (2022). Effectiveness of maternal pertussis vaccination in Singapore: A test-negative case-control study. Vaccine. 40 (46), pp. 6570-6574. [Online].
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Chong, C. et al. (2022). Effectiveness of maternal pertussis vaccination in Singapore: A test-negative case-control study. Vaccine. 40 (46), pp. 6570-6574. [Online].