Robuta

https://pmc.ncbi.nlm.nih.gov/articles/PMC8357842/ Open-label placebo vs double-blind placebo for irritable bowel syndrome: a randomized clinical... open label placebo irritable bowel syndrome https://pmc.ncbi.nlm.nih.gov/articles/PMC8915569/ Can the Open Label Placebo Rationale Be Optimized? - PMC open label placebo rationale optimized pmc