The Role of Biomarkers Pituitary Adenylate Cyclase-Activating Polypeptide (PACAP) and Vasoactive Intestinal Peptide (VIP) in Chronic and Episodic Migraines: A Meta-Analysis

Figure 4

Forest plot showing the levels of VIP in CM and EM patients. VIP mean and SD is expressed in terms of pg/mL. VIP: vasoactive intestinal peptide.