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 79 OP 79 DO 10.1136/jech.44.1.79-a VO 44 IS 1 A1 F G R Fowkes YR 1990 UL http://jech.bmj.com/content/44/1/79.2.abstract AB