National Medical Journal of China, , Issue 36,2014, Pages 2808-2811, doi:10.3760/cma.j.issn.0376-2491.2014.36.003
National Medical Journal of China, , Issue 36,2014, Pages 2857-2860, doi:10.3760/cma.j.issn.0376-2491.2014.36.014
National Medical Journal of China, , Issue 36,2014, Pages 2800-2800, doi:10.3760/j.issn.0376-2491.2014.36.001
National Medical Journal of China, , Issue 36,2014, Pages 2847-2851, doi:10.3760/cma.j.issn.0376-2491.2014.36.012
National Medical Journal of China, , Issue 36,2014, Pages 2827-2827, doi:10.3760/j.issn.0376-2491.2014.36.010