TY  - RPRT
TI  - Everything that should be done--not everything that can be done.
AU  - D P Schuster
PY  - 1992
DO  - 10.1164/ajrccm/145.3.508
UR  - https://pubmed.ncbi.nlm.nih.gov/1546827/
ID  - 1546827
ER  -