CHINESE MEDICAL JOURNAL, Volume 112, Issue 7,1999, Pages 646,
CHINESE MEDICAL JOURNAL, Volume 112, Issue 7,1999, Pages 668,
CHINESE MEDICAL JOURNAL, Volume 112, Issue 7,1999, Pages 671,
CHINESE MEDICAL JOURNAL, Volume 112, Issue 7,1999, Pages 649,
CHINESE MEDICAL JOURNAL, Volume 112, Issue 7,1999, Pages 637,