National Medical Journal of China, Volume 95, Issue 21,2015, Pages 1633-1635, doi:10.3760/cma.j.issn.0376-2491.2015.21.001
National Medical Journal of China, Volume 95, Issue 21,2015, Pages 1663-1666, doi:10.3760/cma.j.issn.0376-2491.2015.21.011
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 1639-1641, doi:10.3760/cma.j.issn.0376-2491.2015.21.003
National Medical Journal of China, Volume 95, Issue 21,2015, Pages 1667-1670, doi:10.3760/cma.j.issn.0376-2491.2015.21.012