. . . . . . . . . . . "p(MGI:Ngf) -> bp(GOBP:\"neuron differentiation\")" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "20131211" . "In undifferentiated PC12 cells, endogenous Sox21 expression is detected but its expression ceases during the nerve growth factor (NGF)-induced neuronal differentiation." . . "Selventa" . . . . "2014-07-03T14:32:18.493+02:00"^^ . . .