TY  - RPRT
TI  - Assessing the benefits.
AU  - B J Culliton
AU  - W K Waterfall
PY  - 1980
DO  - 10.1136/bmj.280.6218.917
UR  - https://pubmed.ncbi.nlm.nih.gov/7388369/
ID  - 7388369
ER  -