(Q70988902)
Statements
A regional intervention to improve the hospital mortality associated with coronary artery bypass graft surgery. The Northern New England Cardiovascular Disease Study Group (English)
G T O'Connor
S K Plume
E M Olmstead
J R Morton
C T Maloney
W C Nugent
F Hernandez
R Clough
B J Leavitt
L H Coffin
C A Marrin
D Wennberg
J D Birkmeyer
D C Charlesworth
D J Malenka
H B Quinton