Approaches to primary care: current realities and future visions.
Clancy
C M
CM
Center for Primary Care Research at the Agency for Health Care Policy and Research in Rockville, MD 20852, USA.
Cooper
J K
JK
D005180:Faculty, Medical; D006801:Humans; D011320:Primary Health Care / Q000639:trends*; D012955:Societies, Medical; D014481:United States