Plasma kallikrein mediates angiotensin AT1 receptor stimulated retinal vascular permeability.

Phipps JA, Clermont AC, Sinha S, Chilcote TJ, Bursell S-E, and Feener EP.
Hypertension 2009; 53:175-81.
PMID:19124682

The kallikrein-kinin system in diabetic retinopathy: Lessons for the kidney.

Phipps JA and Feener EP.
Kidney Int., 2008;73(10):1114-9.
PMID:18272958