. . . . . . . . . . . . . . . . . "p(PFH:\"PDGF Family\") -> sec(p(PFH:\"MMP Family\"))" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "1.4" . "MMP release from alveolar macrophages can be stimulated by lipopolysaccharide (LPS), phorbol esters, interleukin (IL)-1beta , platelet derived growth factor (PDGF), and tumor necrosis factor (TNF)-alpha (17)," . . "Selventa" . . . . "2014-07-03T14:30:02.681+02:00"^^ . . .