. . . . . . . . . . "path(MESHD:Hypertension) -> path(SDIS:Retinopathy)" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "20131211" . "C. A. O'Callaghan, Barry M. Brenner" . "C. A. O'Callaghan, Barry M. Brenner" . "Other" . "Retinopathy is common and is graded according to severity. Grade 3 or 4 indicates accelerated or 'malignant' hypertension." . . "Selventa" . . . . "2014-07-03T14:31:29.305+02:00"^^ . . .