JOURNAL OF MEDICAL COLLEGES OF PLA, Volume 21, Issue 5,2006, Pages 333-339,
JOURNAL OF MEDICAL COLLEGES OF PLA, Volume 21, Issue 5,2006, Pages 302-306,
JOURNAL OF MEDICAL COLLEGES OF PLA, Volume 21, Issue 5,2006, Pages 293-297,
JOURNAL OF MEDICAL COLLEGES OF PLA, Volume 21, Issue 5,2006, Pages 307-311,