. . . . . . . . . . . . . "a(CHEBI:\"reactive oxygen species\") -| a(CHEBI:\"nitric oxide\")" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "20131211" . "Production of reactive oxygen species (ROS) is increased in senescent cells,20–25 leading to a decrease in the bioavailability of NO and increased formation of peroxynitrite.26" . . "Selventa" . . . . "2014-07-03T14:33:07.890+02:00"^^ . . .