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Surveys in decline: the death of the denominator
- Correspondence to Dr Philip D Welsby, Retired, Edinburgh, UK; philipwelsby{at}aol.com
Citation
Surveys in decline: the death of the denominator
Publication history
- Accepted March 18, 2021
- First published March 31, 2021.
Online issue publication
November 22, 2022
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© Author(s) (or their employer(s)) 2022. No commercial re-use. See rights and permissions. Published by BMJ.