TY - JOUR T1 - Postpartum exacerbation of antenatal COVID-19 pneumonia in 3 women JF - Canadian Medical Association Journal JO - CMAJ SP - E603 LP - E606 DO - 10.1503/cmaj.200553 VL - 192 IS - 22 AU - Peng An AU - Bradford J. Wood AU - Wei Li AU - Min Zhang AU - Yingjian Ye Y1 - 2020/06/01 UR - http://www.cmaj.ca/content/192/22/E603.abstract ER -