. . . . . . . . . . . "a(CHEBI:progesterone) -| a(CHEBI:estradiol)" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "20131211" . "Pg was able to counterbalance the stimulatory effect of estrogen or serum on proliferation and on expression level of Id-1, which generally stimulates cell proliferation and inhibits differentiation." . . "Selventa" . . . . "2014-07-03T14:32:34.104+02:00"^^ . . .