RT Journal Article
SR Electronic
T1 The authors reply
JF Journal of Epidemiology and Community Health
JO J Epidemiol Community Health
FD BMJ Publishing Group Ltd
SP 359
OP 360
DO 10.1136/jech.41.4.359-a
VO 41
IS 4
A1 Simon Ogston
A1 Charles Du V Florey
YR 1987
UL http://jech.bmj.com/content/41/4/359.2.abstract
AB