NATIONAL MEDICAL JOURNAL OF CHINA, , Issue 12,1998, Pages 933-934, doi:10.3760/j:issn:0376-2491.1998.12.033
JOURNAL OF PRACTICAL MEDICAL TECHNIQUES, Volume 5, Issue 12,1998, Pages 964, doi:10.3969/j.issn.1671-5098.1998.12.077
CHINESE JOURNAL OF HOSPITAL PHARMACY, Volume 18, Issue 12,1998, Pages 570-571, doi:10.3321/j.issn:1001-5213.1998.12.035