The quality of reports of randomised trials in 2000 and 2006: comparative study of articles indexed in PubMed.
Hopewell
Sally
S
Centre for Statistics in Medicine, University of Oxford, Linton Road, Oxford OX2 6UD. sally.hopewell@csm.ox.ac.uk
Dutton
Susan
S
Yu
Ly-Mee
LM
Chan
An-Wen
AW
Altman
Douglas G
DG