JOURNAL OF PRACTICAL NURSING, Volume 19, Issue 13,2003, Pages 3-4, doi:10.3760/cma.j.issn.1672-7088.2003.13.002
JOURNAL OF CHINESE CLINICAL MEDICINE, Volume 4, Issue 13,2003, Pages 38-38,
CHINA FOOD, , Issue 13,2003, Pages 42,
SHANDONG MEDICAL JOURNAL, Volume 43, Issue 13,2003, Pages 37-38, doi:10.3969/j.issn.1002-266X.2003.13.017
JOURNAL OF CHINESE CLINICAL MEDICINE, Volume 4, Issue 13,2003, Pages 111-111,