"On the subject of multilevel modelling in vascular surgery".
Hadjianastassiou
V G
VG
Tekkis
P P
PP
Athanasiou
T
T
Muktadir
A
A
Young
J D
JD
Hands
L J
LJ
D017544:Aortic Aneurysm, Abdominal / Q000401:mortality* / Q000601:surgery*; D017052:Hospital Mortality; D006801:Humans; D007362:Intensive Care Units; D015233:Models, Statistical; D018570:Risk Assessment; D014656:Vascular Surgical Procedures