JOURNAL OF MEDICAL COLLEGES OF PLA(CHINA), Volume 18, Issue 6,2003, Pages 388-392,
JOURNAL OF MEDICAL COLLEGES OF PLA(CHINA), Volume 18, Issue 6,2003, Pages 封二-封二,392-393,
JOURNAL OF MEDICAL COLLEGES OF PLA(CHINA), Volume 18, Issue 6,2003, Pages 341-344,354,