1. A Trial Emulation Approach for Policy Evaluations with Group-level Longitudinal Data. Issue 4 (13th May 2021) Authors: Ben-Michael, Eli; Feller, Avi; Stuart, Elizabeth A. Journal: Epidemiology Issue: Volume 32:Issue 4(2021) Page Start: 533 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗