RT Journal Article SR Electronic T1 Mortality, morbidity and health statistics JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 306 OP 307 DO 10.1136/jech.43.3.306-b VO 43 IS 3 A1 West, R YR 1989 UL http://jech.bmj.com/content/43/3/306.3.abstract AB