TY  - BOOK
AU  - Gray,David
ED  - Research and Development Corporation,
ED  - United States.
TI  - Clinical practice: audit of coronary angiography and bypass surgery 
T2  - A Rand note
PY  - 1991///
CY  - Santa Monica, California
PB  - Rand Corporation
KW  - Coronary arteries
KW  - Radiography
KW  - Coronary artery bypass
N1  - Includes bibliographical references
ER  -