TY  - JOUR
T1  - PAtient visits* to physician offices and outpatient departments, by payment source—united states, 2009
Y1  - 2012/01/11
N1  - 
JO  - JAMA
SP  - 141
EP  - 141
VL  - 307
IS  - 2
N2  - 
SN  - 0098-7484
M3  - doi: 
UR  - http://dx.doi.org/
ER  -