CHINESE JOURNAL OF CANCER RESEARCH, Volume 12, Issue 4,2000, Pages 251-256,
CHINESE JOURNAL OF CANCER RESEARCH, Volume 12, Issue 4,2000, Pages 278-281,
CHINESE JOURNAL OF CANCER RESEARCH, Volume 12, Issue 4,2000, Pages 282-285,
CHINESE JOURNAL OF CANCER RESEARCH, Volume 12, Issue 4,2000, Pages 293-295,
CHINESE JOURNAL OF CANCER RESEARCH, Volume 12, Issue 4,2000, Pages 290-292,