National Medical Journal of China, Volume 95, Issue 21,2015, Pages 1667-1670, doi:10.3760/cma.j.issn.0376-2491.2015.21.012
National Medical Journal of China, Volume 95, Issue 21,2015, Pages 1639-1641, doi:10.3760/cma.j.issn.0376-2491.2015.21.003
National Medical Journal of China, Volume 95, Issue 21,2015, Pages 1698-1701, doi:10.3760/cma.j.issn.0376-2491.2015.21.019
National Medical Journal of China, Volume 95, Issue 21,2015, Pages 1644-1645, doi:10.3760/cma.j.issn.0376-2491.2015.21.005
National Medical Journal of China, Volume 95, Issue 21,2015, Pages 1636-1638, doi:10.3760/cma.j.issn.0376-2491.2015.21.002