. . . . . . . . . . . "a(SCHEM:Estrogens) -> r(HGNC:NGF)" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "1.4" . "Further, we showed that estrogens promote the expression of mRNA for brain-derived neurotrophic factor (BDNF) and nerve growth factor (NGF), 2 neurotrophic substances that have been shown to ameliorate the effects of age and injury on cholinergic neurons." . . "Selventa" . . . . "2014-07-03T14:30:58.883+02:00"^^ . . .