TY  - RPRT
TI  - Graduate training in thoracic surgery.
AU  - D Hoffman
AU  - J A van Son
PY  - 1994
DO  - 10.1016/0003-4975(94)90422-7
UR  - https://pubmed.ncbi.nlm.nih.gov/8279913/
ID  - 8279913
ER  -