TY  - RPRT
TI  - Research into outcomes and effectiveness.
AU  - R J Greene
AU  - C W Maklan
PY  - 1994
DO  - 10.1136/bmj.309.6958.879a
UR  - https://pubmed.ncbi.nlm.nih.gov/7950641/
ID  - 7950641
ER  -