%0 Journal Article %A Peng An %A Bradford J. Wood %A Wei Li %A Min Zhang %A Yingjian Ye %T Postpartum exacerbation of antenatal COVID-19 pneumonia in 3 women %D 2020 %R 10.1503/cmaj.200553 %J Canadian Medical Association Journal %P cmaj.200553 %U https://www.cmaj.ca/content/cmaj/early/2020/05/06/cmaj.200553.full.pdf