CHINESE JOURNAL OF MODERN NURSING, Volume 16, Issue 19,2010, Pages 2343-2345, doi:10.3760/cma.j.issn.1674-2907.2010.19.053
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CHINESE JOURNAL OF MODERN NURSING, Volume 16, Issue 19,2010, Pages 2311-2313, doi:10.3760/cma.j.issn.1674-2907.2010.19.035
CHINESE JOURNAL OF MODERN NURSING, Volume 16, Issue 19,2010, Pages 2283-2285, doi:10.3760/cma.j.issn.1674-2907.2010.19.021