TY  - JOUR
T1  - Quickstats: From the national center for health statisticspercentage of hospital outpatient department visits in which a physician assistant or advance practice nurse was seen—national hospital ambulatory medical care survey, united states, 1999—2009
Y1  - 2012/04/25
N1  - 
JO  - JAMA
SP  - 1688
EP  - 1688
VL  - 307
IS  - 16
N2  - 
MMWR. 2012;61[2]:39

SN  - 0098-7484
M3  - doi: 
UR  - http://dx.doi.org/
ER  -