TY  - RPRT
TI  - Changing cardiothoracic practice patterns.
AU  - W G Rainer
PY  - 1990
DO  - 10.1016/0003-4975(90)90236-y
UR  - https://pubmed.ncbi.nlm.nih.gov/2310242/
ID  - 2310242
ER  -