AU  - Kale MS, Federman AD, Ross JS
TI  - VIsits for primary care services to primary care and specialty care physicians, 1999 and 2007
PT  - JOUR
DP  - 2012
TA  - Archives of Internal Medicine
pages = {1421-1423},
VI  - 172
IP  - 18
AID  - 10.1001/archinternmed.2012.3207 [doi]
4100  - http://dx.doi.org/10.1001/archinternmed.2012.3207
SO  - Archives of Internal Medicine October 8, 2012 172(18):1421