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Full Citation

Rennert L, Heo M, Litwin AH, Gruttola V. Accounting for confounding by time, early intervention adoption, and time-varying effect modification in the design and analysis of stepped-wedge designs: application to a proposed study design to reduce opioid-related mortality. BMC Med Res Methodol. 2021 Mar 16;21(1):53. doi: 10.1186/s12874-021-01229-6. PMID: 33726711.


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