. . . . . . . . . . . . . "a(CHEBI:ranitidine) -| cat(p(HGNC:HRH2))" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "1.4" . "The H2-receptor antagonist, ranitidine, but not the H1-receptor antagonist, diphenhydramine, prevented histamine-induced activation of PDE4 in a concentration-dependent manner." . . "Selventa" . . . . "2014-07-03T14:30:13.777+02:00"^^ . . .