1. Evaluating a complex system-wide intervention using the difference in differences method: the Delivering Choice Programme. Issue 1 (27th August 2013) Authors: Round, Jeff; Drake, Robyn; Kendall, Edward; Addicott, Rachael; Agelopoulos, Nicky; Jones, Louise Journal: BMJ supportive & palliative care Issue: Volume 5:Issue 1(2015) Page Start: 26 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗