RT Journal Article
SR Electronic
T1 Proactive recruitment in clinical trials: an idea whose time has come
JF Tobacco Control
JO Tob Control
FD BMJ Publishing Group Ltd
SP 317
OP 317
DO 10.1136/tc.2010.042564
VO 20
IS 4
A1 Matthew J Carpenter
YR 2011
UL http://tobaccocontrol.bmj.com/content/20/4/317.abstract
AB