National Medical Journal of China, Volume 97, Issue 17,2017, Pages 1283-1289, doi:10.3760/cma.j.issn.0376-2491.2017.17.002
National Medical Journal of China, Volume 97, Issue 17,2017, Pages 1320-1323, doi:10.3760/cma.j.issn.0376-2491.2017.17.010
National Medical Journal of China, Volume 97, Issue 17,2017, Pages 1312-1315, doi:10.3760/cma.j.issn.0376-2491.2017.17.008
National Medical Journal of China, Volume 97, Issue 17,2017, Pages 1295-1298, doi:10.3760/cma.j.issn.0376-2491.2017.17.004
National Medical Journal of China, Volume 97, Issue 17,2017, Pages 1357-1360, doi:10.3760/cma.j.issn.0376-2491.2017.17.020