Placebo responses vary by route of administration in migraine prevention trials. What does this mean?

J Med Econ. 2024 Mar 1:1-5. doi: 10.1080/13696998.2024.2323900. Online ahead of print.NO ABSTRACTPMID:38425286 | DOI:10.1080/13696998.2024.2323900
Source: Journal of Medical Economics - Category: Health Management Authors: Source Type: research