TY  - RPRT
TI  - Transapical left ventricular bypass.
AU  - W J Kolff
AU  - J C Norman
PY  - 1971
DO  - 10.1378/chest.60.1.110
UR  - https://pubmed.ncbi.nlm.nih.gov/5571267/
ID  - 5571267
ER  -