Extracellular carbonic anhydrase mediates hemorrhagic retinal and cerebral vascular permeability through prekallikrein activation. - Gao BB; Clermont A; Rook S; Fonda SJ; Srinivasan VJ; Wojtkowski M; Fujimoto JG; Avery RL; Arrigg PG; Bursell SE; Aiello LP; Feener EP (Nature medicine, 2007)