Chinese Medical Journal, Volume 133, Issue 6,2020, Pages 687-698, doi:10.1097/CM9.0000000000000694
Chinese Medical Journal, Volume 133, Issue 6,2020, Pages 664-669, doi:10.1097/CM9.0000000000000687
Chinese Medical Journal, Volume 133, Issue 6,2020, Pages 726-728, doi:10.1097/CM9.0000000000000673
Chinese Medical Journal, Volume 133, Issue 6,2020, Pages 729-731, doi:10.1097/CM9.0000000000000715
Chinese Medical Journal, Volume 133, Issue 6,2020, Pages 741-742, doi:10.1097/CM9.0000000000000679