Methods in health service research. Evaluation of health interventions at area and organisation level.
Ukoumunne
O C
OC
Department of Public Health Sciences, Guy's, King's, and St Thomas's School of Medicine, King's College, London SE1 3QD.
Gulliford
M C
MC
Chinn
S
S
Sterne
J A
JA
Burney
P G
PG
Donner
A
A
D016000:Cluster Analysis; D015986:Confounding Factors, Epidemiologic; D019317:Evidence-Based Medicine; D006302:Health Services Research / Q000379:methods / Q000458:organization & administration*; D006801:Humans; D011446:Prospective Studies; D011635:Public Health Administration; D011897:Random Allocation