TY  - RPRT
TI  - Coding for surgical audit.
AU  - R A Pettigrew
AU  - A M van Rij
PY  - 1990
DO  - 10.1111/j.1445-2197.1990.tb07386.x
UR  - https://pubmed.ncbi.nlm.nih.gov/2110448/
ID  - 2110448
ER  -