TY - Front. Med. A1 - Xiao-ping Chen T1 - Thanks to all medical workers fighting against COVID-19 Y1 - 2020-04-15 JF - Frontiers of Medicine JO - Front. Med. SP - 249 EP - 250 VL - 14 IS - 2 UR - https://journal.hep.com.cn/fmd N1 - 10.1007/s11684-020-0789-2 ER -