1. How do they add up? The interaction between the placebo and treatment effect: A systematic review. Issue 8 (2nd May 2022) Authors: Boussageon, Rémy; Howick, Jeremy; Baron, Raphael; Naudet, Florian; Falissard, Bruno; Harika‐Germaneau, Ghina; Wassouf, Issa; Gueyffier, François; Jaafari, Nemat; Blanchard, Clara Journal: British journal of clinical pharmacology Issue: Volume 88:Issue 8(2022) Page Start: 3638 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗