The nature of primary care.
Donaldson
M S
MS
Institute of Medicine, George Washington University School of Medicine and Health Sciences, Washington, DC, USA.
Vanselow
N A
NA
D006291:Health Policy; D006801:Humans; D015969:National Academies of Science, Engineering, and Medicine, U.S., Health and Medicine Division; D011320:Primary Health Care / Q000458:organization & administration; D012106:Research; D014481:United States