TY  - GEN
AU  - Ross,D
TI  - Looking around in cardiac surgery. Lettsomian lecture I 1977
SN  - 0076-6011
PY  - 1979///1017
KW  - Cardiac Surgical Procedures
KW  - history
KW  - Heart Valve Prosthesis
KW  - History, 20th Century
KW  - Humans
KW  - United Kingdom
KW  - United States
N1  - Publication Type: Historical Article; Journal Article
ER  -