. . . . . . . . . . . "p(MGI:Ngf) -> bp(GO:\"neuron differentiation\")" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "1.4" . "In undifferentiated PC12 cells, endogenous Sox21 expression is detected but its expression ceases during the nerve growth factor (NGF)-induced neuronal differentiation." . . "Selventa" . . . . "2014-07-03T14:30:21.737+02:00"^^ . . .