RT Journal Article SR Electronic T1 On Being in Charge JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 77 OP 77 DO 10.1136/jech.47.1.77-b VO 47 IS 1 A1 Paul Garner YR 1993 UL http://jech.bmj.com/content/47/1/77.3.abstract AB