JOURNAL OF THE FOURTH MILITARY MEDICAL UNIVERSITY, Volume 24, Issue 17,2003, Pages 1545-1547, doi:10.3321/j.issn:1000-2790.2003.17.004
CHINESE NURSING RESEARCH, Volume 17, Issue 17,2003, Pages 1044-1045, doi:10.3969/j.issn.1009-6493.2003.17.036
SHANDONG MEDICAL JOURNAL, Volume 43, Issue 17,2003, Pages 32, doi:10.3969/j.issn.1002-266X.2003.17.057
JOURNAL OF MEDICAL FORUM, Volume 24, Issue 17,2003, Pages 35,39, doi:10.3969/j.issn.1672-3422.2003.17.021
JOURNAL OF PRACTICAL NURSING, Volume 19, Issue 17,2003, Pages 31-31, doi:10.3760/cma.j.issn.1672-7088.2003.17.021