TY  - RPRT
TI  - When to start and when to stop.
AU  - E Klein
AU  - M A Gittelman
AU  - C A Nozicka
PY  - 2001
DO  - 10.1097/00006565-200104000-00012
UR  - https://pubmed.ncbi.nlm.nih.gov/11334093/
ID  - 11334093
ER  -