Stable and unstable angina pectoris.
Institute of Cardiology, University of Bologna, Policlinico S. Orsola Via, Massarenti, 9, 40138, Bologna, Italy.
A
A
Branzi
G
G
Melandri
F
F
Semprini
V
V
Cervi
A M
AM
Traini
N
N
Candiotti
S
S
Boschi