CHINESE JOURNAL OF MODERN NURSING, Volume 17, Issue 2,2011, Pages 187-189, doi:10.3760/cma.j.issn.1674-2907.2011.02.026
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CHINESE JOURNAL OF MODERN NURSING, Volume 17, Issue 2,2011, Pages 203-205, doi:10.3760/cma.j.issn.1674-2907.2011.02.033
CHINESE JOURNAL OF MODERN NURSING, Volume 17, Issue 2,2011, Pages 183-184, doi:10.3760/cma.j.issn.1674-2907.2011.02.024