TY  - RPRT
TI  - A specialty-based ambulatory workload classification system.
AU  - S A Optenberg
AU  - J A Coventry
AU  - S W Baker
PY  - 1990
DO  - 10.1097/00004479-199007000-00008
UR  - https://pubmed.ncbi.nlm.nih.gov/10113249/
ID  - 10113249
ER  -