. . . . . . . . . . . . "a(SCHEM:Tretinoin) -> r(MGI:Zfp503)" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "20131211" . "Nolz-1 mRNA was dramatically induced on neural induction of P19 embryonal carcinoma cells by retinoic acid, suggesting that Nolz-1 activation may be involved in neural differentiation" . . "Selventa" . . . . "2014-07-03T14:32:17.144+02:00"^^ . . .