JOURNAL OF MEDICAL COLLEGES OF PLA(CHINA), Volume 17, Issue 2,2002, Pages 143-146,
JOURNAL OF MEDICAL COLLEGES OF PLA(CHINA), Volume 17, Issue 2,2002, Pages 134-138,
JOURNAL OF MEDICAL COLLEGES OF PLA(CHINA), Volume 17, Issue 2,2002, Pages 88-91,
JOURNAL OF MEDICAL COLLEGES OF PLA(CHINA), Volume 17, Issue 2,2002, Pages 125-128,