RT Journal Article SR Electronic T1 Short Reviews JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 176 OP 176 DO 10.1136/jech.44.2.176-a VO 44 IS 2 A1 Fowkes, F G R YR 1990 UL http://jech.bmj.com/content/44/2/176.2.abstract AB