National Medical Journal of China, Volume 96, Issue 19,2016, Pages 1489-1494, doi:10.3760/cma.j.issn.0376-2491.2016.19.006
National Medical Journal of China, Volume 96, Issue 19,2016, Pages 1510-1514, doi:10.3760/cma.j.issn.0376-2491.2016.19.010
National Medical Journal of China, Volume 96, Issue 19,2016, Pages 1550-1552, doi:10.3760/cma.j.issn.0376-2491.2016.19.020
National Medical Journal of China, Volume 96, Issue 19,2016, Pages 1500-1504, doi:10.3760/cma.j.issn.0376-2491.2016.19.008
National Medical Journal of China, Volume 96, Issue 19,2016, Pages 1473-1474, doi:10.3760/cma.j.issn.0376-2491.2016.19.001