RT Journal Article SR Electronic T1 Income inequality and economic residential segregation JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 165 OP 166 DO 10.1136/jech.56.3.165 VO 56 IS 3 A1 I Kawachi YR 2002 UL http://jech.bmj.com/content/56/3/165.abstract AB