. . . . . . . . . . . . . "composite(a(SCHEM:Tretinoin),a(SCHEM:\"cyclic AMP\")) -> r(MGI:Pdgfra)" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "20131211" . "Retinoic acid together with dibutyryl cyclic AMP stimulated transcription of the platelet-derived growth factor alpha-receptor gene" . . "Selventa" . . . . "2014-07-03T14:33:41.586+02:00"^^ . . .