PMC:1635039 / 546-566 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T602","span":{"begin":1,"end":10},"obj":"NN"}],"text":" signaling mechanism"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T476","span":{"begin":1,"end":10},"obj":"GO_EXT:cell_communication_or_signaling_or_signal_transduction"}],"text":" signaling mechanism"}