PubMed:20458274 / 401-685 JSONTXT

{"project":"c_corpus","denotations":[{"id":"T62","span":{"begin":60,"end":64},"obj":"SO:0000704"},{"id":"T63","span":{"begin":60,"end":75},"obj":"GO:0010467"},{"id":"T64","span":{"begin":91,"end":97},"obj":"UBERON:0000310"},{"id":"T65","span":{"begin":241,"end":251},"obj":"SO:1000009"}],"text":"Observational studies have examined genetic, epigenetic and gene expression differences in breast tissues representing these stages of progression, but model systems which would allow for experimental testing of specific factors influencing transition through these stages are scarce."}

{"project":"PubMed_ArguminSci","denotations":[{"id":"T2","span":{"begin":0,"end":284},"obj":"DRI_Background"}],"text":"Observational studies have examined genetic, epigenetic and gene expression differences in breast tissues representing these stages of progression, but model systems which would allow for experimental testing of specific factors influencing transition through these stages are scarce."}