%0 Journal Article %B BMJ (Clinical Research Edition) %D 2010 %G eng %M 20299694 %P c1279 %T Critical illness due to 2009 A/H1N1 influenza in pregnant and postpartum women: population based cohort study %V 340 %7 2010/03/20 %@ 1468-5833 (Electronic)0959-535X (Linking)