ANHUI MEDICAL AND PHARMACEUTICAL JOURNAL, Volume 11, Issue 10,2007, Pages 955-956, doi:10.3969/j.issn.1009-6469.2007.10.056
JOURNAL OF NURSING SCIENCE, Volume 22, Issue 10,2007, Pages 6-7, doi:10.3969/j.issn.1001-4152.2007.10.003
HEALTH PRESERVING, Volume 28, Issue 10,2007, Pages 873-875,
HEBEI MEDICAL JOURNAL, Volume 29, Issue 10,2007, Pages 1153, doi:10.3969/j.issn.1002-7386.2007.10.082