. . . . . . . . . . "a(SCHEM:Isoproterenol) -| bp(GOBP:\"smooth muscle contraction\")" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "20131211" . "In the normal lung, pulmonary vascular tone is regulated by a balance between the effects of vasodilators/anti-proliferative agents (such as isoprenaline and PGI2) and vasoconstrictors/co-mitogens (such as serotonin and endothelin-1)." . . "Selventa" . . . . "2014-07-03T14:32:13.619+02:00"^^ . . .