Methods in health services research. Interpreting the evidence: choosing between randomised and non-randomised studies.
McKee
M
M
London School of Hygiene and Tropical Medicine, London WC1E 7HT. m.mckee@lshtm.ac.uk
Britton
A
A
Black
N
N
McPherson
K
K
Sanderson
C
C
Bain
C
C
D019317:Evidence-Based Medicine; D006302:Health Services Research; D006801:Humans; D017060:Patient Satisfaction; D016032:Randomized Controlled Trials as Topic