RT Journal Article
SR Electronic
T1 Comment
JF Journal of Epidemiology and Community Health
JO J Epidemiol Community Health
FD BMJ Publishing Group Ltd
SP 729
OP 730
DO 10.1136/jech.54.10.729a
VO 54
IS 10
A1 JOEL SCHWARTZ
A1 RONNIE LEVIN
YR 2000
UL http://jech.bmj.com/content/54/10/729.2.abstract
AB