Chinese Medical Journal, Volume 133, Issue 14,2020, Pages 1754-1756, doi:10.1097/CM9.0000000000000909
Chinese Medical Journal, Volume 133, Issue 14,2020, Pages 1747-1748, doi:10.1097/CM9.0000000000000891
Chinese Medical Journal, Volume 133, Issue 14,2020, Pages 1727-1728, doi:10.1097/CM9.0000000000000893
Chinese Medical Journal, Volume 133, Issue 14,2020, Pages 1732-1734, doi:10.1097/CM9.0000000000000898
Chinese Medical Journal, Volume 133, Issue 14,2020, Pages 1722-1724, doi:10.1097/CM9.0000000000000953