TY  - RPRT
TI  - Defined criteria needed for ordering CT scans.
AU  - S G Williamson
PY  - 1988
DO  - 10.1016/s0196-0644(88)80328-7
UR  - https://pubmed.ncbi.nlm.nih.gov/3337435/
ID  - 3337435
ER  -