|
LAWLOR ET AL. RESPOND
Debbie A Lawlor, MPH, MB, ChB,
Stephen Frankel, DM, PhD,
Mary Shaw, PhD, MA,
Shah Ebrahim, DM, MSc and
George Davey Smith, DSc, MD
The authors are with the Department of Social Medicine, University of Bristol, England.
Copyright © 2003 by the American Public Health Association
|