National Medical Journal of China, Volume 97, Issue 45,2017, Pages 3538-3542, doi:10.3760/cma.j.issn.0376-2491.2017.45.005
National Medical Journal of China, Volume 97, Issue 45,2017, Pages 3558-3561, doi:10.3760/cma.j.issn.0376-2491.2017.45.009
National Medical Journal of China, Volume 97, Issue 45,2017, Pages 3521-3523, doi:10.3760/cma.j.issn.0376-2491.2017.45.001
National Medical Journal of China, Volume 97, Issue 45,2017, Pages 3529-3533, doi:10.3760/cma.j.issn.0376-2491.2017.45.003
National Medical Journal of China, Volume 97, Issue 45,2017, Pages 3524-3528, doi:10.3760/cma.j.issn.0376-2491.2017.45.002