RT Journal Article SR Electronic T1 Social class differences in anxiety and depression across the life-course: evidence from three cohorts in the west of Scotland JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 19 OP 19 DO 10.1136/jech.2009.096701s VO 63 IS Suppl 2 A1 M. J. Green A1 M. Benzeval YR 2009 UL http://jech.bmj.com/content/63/Suppl_2/19.abstract AB