TY  - RPRT
TI  - Changing patterns and the need for quality.
AU  - J G Steele
AU  - R W Wassell
AU  - A W G Walls
PY  - 2002
DO  - 10.1038/sj.bdj.4801317
UR  - https://pubmed.ncbi.nlm.nih.gov/11865820/
ID  - 11865820
ER  -