TY  - RPRT
TI  - Special training programs in thoracic surgery: past or prologue.
AU  - L I Bonchek
PY  - 1977
DO  - 10.1016/s0003-4975(10)64106-9
UR  - https://pubmed.ncbi.nlm.nih.gov/849023/
ID  - 849023
ER  -