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Severe maternal morbidity due to respiratory disease and impact of 2009 H1N1 influenza A pandemic in Brazil: results from a national multicenter cross-sectional study

Crossref DOI link: https://doi.org/10.1186/s12879-016-1525-z

Published Online: 2016-05-21

Published Print: 2016-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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