PubMed:28539663 / 412-537 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PubMed/sourceid/28539663","sourcedb":"PubMed","sourceid":"28539663","text":"However, data on farm visitors are often difficult to obtain because of the heterogeneity of their nature and privacy issues.","tracks":[{"project":"PubMed_ArguminSci","denotations":[{"id":"T3","span":{"begin":0,"end":125},"obj":"DRI_Background"}],"attributes":[{"subj":"T3","pred":"source","obj":"PubMed_ArguminSci"}]}],"config":{"attribute types":[{"pred":"source","value type":"selection","values":[{"id":"PubMed_ArguminSci","color":"#cbec93","default":true}]}]}}