TY  - RPRT
TI  - Pain control after thoracotomy.
AU  - J Richardson
AU  - S Sabanathan
PY  - 1994
DO  - 10.1378/chest.105.6.1907
UR  - https://pubmed.ncbi.nlm.nih.gov/8205913/
ID  - 8205913
ER  -