CHINESE JOURNAL OF MODERN NURSING, Volume 15, Issue 12,2009, Pages 1176-1178, doi:10.3760/cma.j.issn.1674-2907.2009.12.033
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CHINESE JOURNAL OF MODERN NURSING, Volume 15, Issue 12,2009, Pages 1101-1106, doi:10.3760/cma.j.issn.1674-2907.2009.12.001
CHINESE JOURNAL OF MODERN NURSING, Volume 15, Issue 12,2009, Pages 1107-1111, doi:10.3760/cma.j.issn.1674-2907.2009.12.002