CHINESE JOURNAL OF MODERN NURSING, Volume 17, Issue 19,2011, Pages 2250-2253, doi:10.3760/cma.j.issn.1674-2907.2011.19.005
CHINESE JOURNAL OF MODERN NURSING, Volume 17, Issue 19,2011, Pages 2241, doi:10.3760/cma.j.issn.1674-2907.2011.19.003.1
CHINESE JOURNAL OF MODERN NURSING, Volume 17, Issue 19,2011, Pages 2262-2263, doi:10.3760/cma.j.issn.1674-2907.2011.19.009
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CHINESE JOURNAL OF MODERN NURSING, Volume 17, Issue 19,2011, Pages 2264-2266, doi:10.3760/cma.j.issn.1674-2907.2011.19.010