RT Journal Article
SR Electronic
T1 Dictionary of Epidemiology
JF Journal of Epidemiology and Community Health
JO J Epidemiol Community Health
FD BMJ Publishing Group Ltd
SP 430
OP 430
DO 10.1136/jech.47.5.430
VO 47
IS 5
A1 John M Last
YR 1993
UL http://jech.bmj.com/content/47/5/430.abstract
AB