@article{article53ce345f, title = {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}, author = {Pfitscher, L. C. and Cecatti, J. G. and Pacagnella, R. C. and Haddad, S. M. and Parpinelli, M. A. and Souza, J. P. and Quintana, Silvana Maria and Surita, F. G. and Sousa, M. H. and Costa, M. L.}, year = {2016}, doi = {10.1186/s12879-016-1525-z}, journal = {BMC Infectious Diseases} }