Columbia subject headings:
Child psychology--Latin America.
Children--Health and hygiene--Latin America.
Children--Latin America--Social conditions.
Marginality, Social--Latin America.
Poor children--Latin America.
Harvard subject headings:
Child psychology--Latin America.
Children--Health and hygiene--Latin America.
Children--Latin America--Social conditions.
Marginality, Social--Latin America.
Poor children--Latin America.
Princeton subject headings:
Child psychology--Latin America.
Children--Health and hygiene--Latin America.
Children--Latin America--Social conditions.
Marginality, Social--Latin America.
Poor children--Latin America.