PMC:1482699 / 31580-31589 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T19391","span":{"begin":0,"end":3},"obj":"NN"}],"text":"SNP frequ"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T17671","span":{"begin":0,"end":3},"obj":"SO_EXT:0000694"}],"text":"SNP frequ"}

{"project":"craft-ca-core-dev","denotations":[{"id":"T17444","span":{"begin":0,"end":3},"obj":"SO:0000694"}],"text":"SNP frequ"}