PMC:7212965 / 44848-45039 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T123","span":{"begin":52,"end":54},"obj":"Chemical"},{"id":"T124","span":{"begin":97,"end":99},"obj":"Chemical"}],"attributes":[{"id":"A123","pred":"chebi_id","subj":"T123","obj":"http://purl.obolibrary.org/obo/CHEBI_73907"},{"id":"A124","pred":"chebi_id","subj":"T124","obj":"http://purl.obolibrary.org/obo/CHEBI_73907"}],"text":" Most studies did not report on the duration of the GI symptoms preceding the presentation. When GI symptoms were reported, it was difficult to discern whether these were isolated symptoms or"}

{"project":"LitCovid-sentences","denotations":[{"id":"T301","span":{"begin":1,"end":91},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" Most studies did not report on the duration of the GI symptoms preceding the presentation. When GI symptoms were reported, it was difficult to discern whether these were isolated symptoms or"}

{"project":"LitCovid-PubTator","denotations":[{"id":"1246","span":{"begin":97,"end":99},"obj":"Gene"},{"id":"1247","span":{"begin":52,"end":54},"obj":"Gene"}],"attributes":[{"id":"A1246","pred":"tao:has_database_id","subj":"1246","obj":"Gene:2770"},{"id":"A1247","pred":"tao:has_database_id","subj":"1247","obj":"Gene:2770"}],"namespaces":[{"prefix":"Tax","uri":"https://www.ncbi.nlm.nih.gov/taxonomy/"},{"prefix":"MESH","uri":"https://id.nlm.nih.gov/mesh/"},{"prefix":"Gene","uri":"https://www.ncbi.nlm.nih.gov/gene/"},{"prefix":"CVCL","uri":"https://web.expasy.org/cellosaurus/CVCL_"}],"text":" Most studies did not report on the duration of the GI symptoms preceding the presentation. When GI symptoms were reported, it was difficult to discern whether these were isolated symptoms or"}