TY  - GEN
AU  - Zhang,Zhen-kang
TI  - [Trend of symposium in new circumstance]
SN  - 1002-0098
PY  - 2009///1029
KW  - China
KW  - Congresses as Topic
KW  - Humans
KW  - Oral Surgical Procedures
N1  - Publication Type: Journal Article
ER  -