Unstable angina: the role of percutaneous coronary angioplasty.
Piana
R N
RN
Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts 02115, USA.
Bittl
J A
JA
D000789:Angina, Unstable / Q000628:therapy*; D015906:Angioplasty, Balloon, Coronary; D017024:Chemotherapy, Adjuvant; D006801:Humans