PMC:7143846 / 4385-4681 JSONTXT

{"project":"LitCovid-PubTator","denotations":[{"id":"77","span":{"begin":181,"end":193},"obj":"Species"},{"id":"78","span":{"begin":283,"end":295},"obj":"Species"},{"id":"82","span":{"begin":28,"end":36},"obj":"Disease"}],"attributes":[{"id":"A77","pred":"tao:has_database_id","subj":"77","obj":"Tax:9606"},{"id":"A78","pred":"tao:has_database_id","subj":"78","obj":"Tax:9606"},{"id":"A82","pred":"tao:has_database_id","subj":"82","obj":"MESH:C000657245"}],"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":"However, at the time of the COVID-19 outbreak in China, it was very difficult to conduct a traditional paper survey in the affected areas; online surveys rely on the cooperation of participants, and it is difficult to meet the requirements in time, and even brings extra burdens for participants."}

{"project":"LitCovid-PD-MONDO","denotations":[{"id":"T27","span":{"begin":28,"end":36},"obj":"Disease"}],"attributes":[{"id":"A27","pred":"mondo_id","subj":"T27","obj":"http://purl.obolibrary.org/obo/MONDO_0100096"}],"text":"However, at the time of the COVID-19 outbreak in China, it was very difficult to conduct a traditional paper survey in the affected areas; online surveys rely on the cooperation of participants, and it is difficult to meet the requirements in time, and even brings extra burdens for participants."}

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T18","span":{"begin":89,"end":90},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"However, at the time of the COVID-19 outbreak in China, it was very difficult to conduct a traditional paper survey in the affected areas; online surveys rely on the cooperation of participants, and it is difficult to meet the requirements in time, and even brings extra burdens for participants."}

{"project":"LitCovid-sentences","denotations":[{"id":"T29","span":{"begin":0,"end":296},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"However, at the time of the COVID-19 outbreak in China, it was very difficult to conduct a traditional paper survey in the affected areas; online surveys rely on the cooperation of participants, and it is difficult to meet the requirements in time, and even brings extra burdens for participants."}