PMC:1892049 / 9806-9815 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T15094","span":{"begin":0,"end":1},"obj":"NN"},{"id":"T15095","span":{"begin":2,"end":7},"obj":"NN"}],"relations":[{"id":"R4413","pred":"compound","subj":"T15094","obj":"T15095"}],"text":"R ratio a"}