Fig. 1From: Angiopoietin-2 concentration in serum is associated with severe asthma phenotypeThe mean (±SEM) serum levels of angiogenic factors (a Angiopoietin-2, b Angiopoietin-2, c VEGF, d Osteopontin) in patients with severe asthma (SRA), non-severe asthma (nSA) and in healthy controls (HC)Back to article page