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Published in 2022 at "BMJ Open"
DOI: 10.1136/bmjopen-2021-051976
Abstract: Objective To assess the impact of different phase-out measures approved by several European governments. Design This is a longitudinal observational study. Settings European countries, from 20 February 2020 to 11 May 2020. Participants All European…
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Keywords:
longitudinal observational;
phase measures;
observational study;
phase ... See more keywords