PMC:7780429 / 182-355 JSONTXT

{"project":"LitCovid-PD-HP","denotations":[{"id":"T2","span":{"begin":105,"end":113},"obj":"Phenotype"}],"attributes":[{"id":"A2","pred":"hp_id","subj":"T2","obj":"http://purl.obolibrary.org/obo/HP_0002315"}],"text":"vities of health professionals. We analysed the possible association between the appearance of ‘de novo’ headache according to the type of mask used, the related factors and"}

{"project":"LitCovid-PubTator","denotations":[{"id":"10","span":{"begin":105,"end":113},"obj":"Disease"}],"attributes":[{"id":"A10","pred":"tao:has_database_id","subj":"10","obj":"MESH:D006261"}],"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":"vities of health professionals. We analysed the possible association between the appearance of ‘de novo’ headache according to the type of mask used, the related factors and"}