Subjects: DIGITAL libraries; LOPEZ Arellano, Oliva; SCIENCE databasesLATIN America
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Subjects: HEALTH education; EDUCATION; HEALTH promotionLATIN America
Subjects: HEALTH care reform; SOCIAL security; GOVERNMENT policy -- Social aspectsCOLOMBIA; LATIN America
Subjects: MEDICAL care; HEALTH policy; SOCIAL marginalityLATIN America; CARIBBEAN