National Medical Journal of China, Volume 95, Issue 43,2015, Pages 3529-3532, doi:10.3760/cma.j.issn.0376-2491.2015.43.011
National Medical Journal of China, Volume 95, Issue 43,2015, Pages 3523-3528, doi:10.3760/cma.j.issn.0376-2491.2015.43.010
National Medical Journal of China, Volume 95, Issue 43,2015, Pages 3501-3504, doi:10.3760/cma.j.issn.0376-2491.2015.43.005
National Medical Journal of China, Volume 95, Issue 43,2015, Pages 3533-3536, doi:10.3760/cma.j.issn.0376-2491.2015.43.012