RT Journal Article SR Electronic T1 Evaluating Social Work Effectiveness JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 215 OP 215 DO 10.1136/jech.48.2.215 VO 48 IS 2 A1 Waterhouse, Lorraine YR 1994 UL http://jech.bmj.com/content/48/2/215.1.abstract AB