Research
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A blueprint for synthetic control methodology: a causal inference tool for evaluating natural experiments in population health
BMJ 2022; 379 doi: https://doi.org/10.1136/bmj.o2712 (Published 23 November 2022) Cite this as: BMJ 2022;379:o2712Linked Research
Impact of community asymptomatic rapid antigen testing on covid-19 related hospital admissions