Chinese Medical Journal, Volume 133, Issue 13,2020, Pages 1513-1515, doi:10.1097/CM9.0000000000000851
Chinese Medical Journal, Volume 133, Issue 13,2020, Pages 1568-1574, doi:10.1097/CM9.0000000000000869
Chinese Medical Journal, Volume 133, Issue 13,2020, Pages 1595-1602, doi:10.1097/CM9.0000000000000848
Chinese Medical Journal, Volume 133, Issue 13,2020, Pages 1609-1611, doi:10.1097/CM9.0000000000000888
Chinese Medical Journal, Volume 133, Issue 13,2020, Pages 1623-1625, doi:10.1097/CM9.0000000000000884