G Pappas

The Widening Gap in Death Rates among Income Groups in the United States from 1967 to 1986

V Navarro, E. Pamuk, W. Hadden, 2000, International journal of health services : planning, administration, evaluation.

Potentially avoidable hospitalizations: inequalities in rates between US socioeconomic groups.

G. F. Fisher, L. Kozak, W. Hadden, 1997, American journal of public health.