CHINESE COMMUNITY DOCTORS, Volume 11, Issue 19,2009, Pages 39, doi:10.3969/j.issn.1007-614x.2009.19.050
CHINESE JOURNAL OF MODERN NURSING, Volume 15, Issue 19,2009, Pages 1864-1865, doi:10.3760/cma.j.issn.1674-2907.2009.19.030
JOURNAL OF QILU NURSING, Volume 15, Issue 19,2009, Pages 105-106, doi:10.3969/j.issn.1006-7256.2009.19.073
CHINA JOURNAL OF MODERN MEDICINE, Volume 19, Issue 19,2009, Pages 3029-3031, doi:10.3969/j.issn.1005-8982.2009.19.041