Several factors must have a role in improved figuresBMJ 1996; 312 doi: https://doi.org/10.1136/bmj.312.7031.640 (Published 09 March 1996) Cite this as: BMJ 1996;312:640
- Andrew Carnon,
- David Hole,
- Charles Gillis,
- David Brewster
- MRC research fellow Principal epidemiologist Director West of Scotland Cancer Surveillance Unit, Ruchill Hospital, Glasgow G20 9NB
- Director of cancer registration Information Services Division, NHS in Scotland, Edinburgh EH5 3SQ
EDITOR,—Mike Quinn and Elizabeth Allen's suggestion that better treatment in breast cancer has led to a fall in mortality from 1990 onwards is interesting.1 As the authors imply, the widespread use of tamoxifen can be only part of the explanation.
A more direct way of looking at the outcome of changes in treatment …
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