TY  - RPRT
TI  - Generalisation and extrapolation.
AU  - D G Altman
AU  - J M Bland
PY  - 1998
DO  - 10.1136/bmj.317.7155.409
UR  - https://pubmed.ncbi.nlm.nih.gov/9694763/
ID  - 9694763
ER  -