CHINESE JOURNAL OF MODERN NURSING, Volume 17, Issue 3,2011, Pages 319-321, doi:10.3760/cma.j.issn.1674-2907.2011.03.029
CHINESE JOURNAL OF MODERN NURSING, Volume 17, Issue 3,2011, Pages 323-324, doi:10.3760/cma.j.issn.1674-2907.2011.03.031
CHINESE JOURNAL OF MODERN NURSING, Volume 17, Issue 3,2011, Pages 355-356, doi:10.3760/cma.j.issn.1674-2907.2011.03.047