TY  - JOUR
T1  - REsearch letters
Y1  - 2010/11/22
N1  - 10.1001/archinternmed.2010.422
JO  - Archives of Internal Medicine
SP  - 1942
EP  - 1943
VL  - 170
IS  - 21
N2  - 
SN  - 0003-9926
M3  - doi: 10.1001/archinternmed.2010.422
UR  - http://dx.doi.org/10.1001/archinternmed.2010.422
ER  -