TY  - RPRT
TI  - Cardiopulmonary exercise testing. An idea whose time has almost come.
AU  - G W Neuberg
PY  - 1990
DO  - 10.1378/chest.97.2.257
UR  - https://pubmed.ncbi.nlm.nih.gov/2298044/
ID  - 2298044
ER  -