Review Article
The Role of Biomarkers Pituitary Adenylate Cyclase-Activating Polypeptide (PACAP) and Vasoactive Intestinal Peptide (VIP) in Chronic and Episodic Migraines: A Meta-Analysis
Figure 3
The forest plot shows the VIP levels in chronic, episodic, and overall migraines. VIP mean and SD is expressed in terms of pg/mL. VIP: vasoactive intestinal peptide.