Chinese Journal of Postgraduates of Medicine, Volume 35, Issue 4,2012, Pages 29-31, doi:10.3760/cma.j.issn.1673-4904.2012.04.011
Chinese Journal of Postgraduates of Medicine, Volume 35, Issue 4,2012, Pages 47-49, doi:10.3760/cma.j.issn.1673-4904.2012.04.020
Chinese Journal of Postgraduates of Medicine, Volume 35, Issue 4,2012, Pages 59-61, doi:10.3760/cma.j.issn.1673-4904.2012.04.026
Chinese Journal of Postgraduates of Medicine, Volume 35, Issue 4,2012, Pages 34-36, doi:10.3760/cma.j.issn.1673-4904.2012.04.014
Chinese Journal of Postgraduates of Medicine, Volume 35, Issue 4,2012, Pages 26-28, doi:10.3760/cma.j.issn.1673-4904.2012.04.010