Prologue to a surgical trial.
Powell
J T
JT
Department of Surgery, Charing Cross & Westminster Medical School, London, UK.
Greenhalgh
R M
RM
Ruckley
C V
CV
Fowkes
F G
FG
D017544:Aortic Aneurysm, Abdominal / Q000175:diagnosis / Q000401:mortality / Q000601:surgery; D001019:Aortic Rupture; D002986:Clinical Trials as Topic / Q000191:economics; D017041:Ethics Committees; D006801:Humans; D008403:Mass Screening; D015337:Multicenter Studies as Topic