TY  - RPRT
TI  - Practical tips.
AU  - A D Walmsley
AU  - W R Laird
PY  - 1985
DO  - 10.1038/sj.bdj.4805692
UR  - https://pubmed.ncbi.nlm.nih.gov/3864457/
ID  - 3864457
ER  -