AU  - Chmelik E
TI  - TRends in us physician work hours
PT  - JOUR
DP  - 2010
TA  - JAMA
pages = {2250-2251},
VI  - 303
IP  - 22
AID  - 10.1001/jama.2010.731 [doi]
4100  - http://dx.doi.org/10.1001/jama.2010.731
SO  - JAMA June 9, 2010 303(22):2250