TY  - RPRT
TI  - Pushing the envelope on futility.
AU  - D Teres
AU  - P Pekow
PY  - 1997
DO  - 10.1097/00003246-199711000-00003
UR  - https://pubmed.ncbi.nlm.nih.gov/9366748/
ID  - 9366748
ER  -