RT Journal Article
SR Electronic
T1 Author’s response
JF Journal of Epidemiology and Community Health
JO J Epidemiol Community Health
FD BMJ Publishing Group Ltd
SP 591
OP 591
DO 10.1136/jech.2009.089045
VO 63
IS 7
A1 E G Knox
YR 2009
UL http://jech.bmj.com/content/63/7/591.1.abstract
AB