Main journals (in alphabetical order)

Health Economics
International Journal for Equity in Health
Journal of Epidemiology and Community Health
Journal of Health Economics (science direct)
Social Science and Medicine (science direct)

Associations and other helpful links

Quantitative Techniques for Health Equity Analysis: A Series of  20 Technical Notes by A Wagstaff, E van Doorslaer, O O’Donnell and M Lindelow. A helpful page for researchers who want to apply methods developed in the ECuity project

Documentation Center on Health Inequalities
Helpful to find answers to questions like:
Do people with a higher level of education have a lower chance of getting cancer than people with a lower level of education?
Do people with a higher income smoke less than people with a lower income?
What is known about the effects of interventions on socio-economic inequalities in health?
Have socio-economic inequalities in health diminished in recent years?

International Society for Equity in Health

PAHO Equidad listserver, an inequality in health mailing list

Health Equity Network, another mailing list on health inequality

OECD study on equity in access

York Seminars in Health Econometrics