Chinese Medical Journal, Volume 133, Issue 14,2020, Pages 1719-1721, doi:10.1097/CM9.0000000000000886
Chinese Medical Journal, Volume 133, Issue 14,2020, Pages 1669-1675, doi:10.1097/CM9.0000000000000876
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 1696-1702, doi:10.1097/CM9.0000000000000835