Gwatkin, D. R. (2000). Health inequalities and the health of the poor: what do we know? What can we do? Bulletin of the World Health Organization, 78, 3-18.
Gwatkin, D. R. (2000). Health inequalities and the health of the poor: what do we know? What can we do? Bulletin of the World Health Organization, 78, 3-18.