RT Journal Article
SR Electronic
T1 Hygieia
JF Journal of Epidemiology and Community Health
JO J Epidemiol Community Health
FD BMJ Publishing Group Ltd
SP 656
OP 656
VO 61
IS 7
A1 Glenys Hughes
YR 2007
UL http://jech.bmj.com/content/61/7/656.abstract
AB