Chinese Journal of General Practitioners, Volume 12, Issue 2,2013, Pages 104-107, doi:10.3760/cma.j.issn.1671-7368.2013.02.012
Chinese Journal of General Practitioners, Volume 12, Issue 2,2013, Pages 119-121, doi:10.3760/cma.j.issn.1671-7368.2013.02.016
Chinese Journal of General Practitioners, Volume 12, Issue 2,2013, Pages 150-151, doi:10.3760/cma.j.issn.1671-7368.2013.02.030
Chinese Journal of General Practitioners, Volume 12, Issue 2,2013, Pages 99-103, doi:10.3760/cma.j.issn.1671-7368.2013.02.010