Comparison of Sol-endoglin plasma levels and Keith-Wagener retinal grades III and IV classification. (A) Patients with hypertension and diabetes. (B) All patients with diabetes. Data (ng/mL) are expressed as means ± SEM. One-way ANOVA: *P < 0.05 (A) and P < 0.01 (B).
Blázquez-Medela et al. BMC Medicine 2010 8:86 doi:10.1186/1741-7015-8-86