MADEJ , A.; GIEREK-CIACIURA , S.; HABERKA , M.; LEKSTON-MADEJ , J.; BASIAK , M.; DOMAŃSKA , O.; OKOPIEŃ , B. Effects of Bisoprolol and Cilazapril on the Central Retinal Artery Blood Flow in Patients With Essential hypertension—preliminary Results. ujms 2010, 115, 249–252.