First contact, simplified technology, or risk anticipation? Defining primary health care.
Frenk
J
J
National Institute of Public Health (NIPH), Mexico.
González-Block
M A
MA
Alvarez-Manilla
J M
JM
D003906:Developing Countries; D004501:Education, Medical; D006297:Health Services Accessibility; D007843:Latin America; D011320:Primary Health Care / Q000458:organization & administration* / Q000639:trends