Article info
Systematic review
Trends in participation rates in case–control studies of occupational risk factors 1991–2017
- Correspondence to Dr M Anne Harris, School of Occupational and Public Health, Ryerson University, Toronto, ON M5B 2K3, Canada; anne.harris{at}ryerson.ca
Citation
Trends in participation rates in case–control studies of occupational risk factors 1991–2017
Publication history
- Received September 11, 2019
- Revised May 1, 2020
- Accepted May 15, 2020
- First published July 9, 2020.
Online issue publication
September 14, 2020
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© Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.