. . . . . . . . . . . . "a(SCHEM:Tretinoin) -> r(MGI:B2m)" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "1.4" . "93088_at\tB2m\tNM_009735\t12010\tbeta-2 microglobulin" . . "Selventa" . . . . "2014-07-03T14:30:28.388+02:00"^^ . . .