PMC:1440874 / 15850-15869 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T3014","span":{"begin":3,"end":18},"obj":"NN"}],"text":"us differentiation "}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T2452","span":{"begin":3,"end":18},"obj":"GO_RO_EXT:developmental_differentiation_process"}],"text":"us differentiation "}