TY  - JOUR
T1  - BEijing, china
Y1  - 2011/10/24
N1  - 10.1001/archinternmed.2011.491
JO  - Archives of Internal Medicine
SP  - 1774
EP  - 1774
VL  - 171
IS  - 19
N2  - 
Grahic Jump LocationBeijing, China.

SN  - 0003-9926
M3  - doi: 10.1001/archinternmed.2011.491
UR  - http://dx.doi.org/10.1001/archinternmed.2011.491
ER  -