PMC:7796344 / 21448-21684 JSONTXT

{"project":"LitCovid-PD-HP","denotations":[{"id":"T19","span":{"begin":85,"end":88},"obj":"Phenotype"},{"id":"T20","span":{"begin":129,"end":132},"obj":"Phenotype"}],"attributes":[{"id":"A19","pred":"hp_id","subj":"T19","obj":"http://purl.obolibrary.org/obo/HP_0011948"},{"id":"A20","pred":"hp_id","subj":"T20","obj":"http://purl.obolibrary.org/obo/HP_0011948"}],"text":"vealed that the use of a facemask by men was a significant protective factor against ARI in Hajj, and fewer pilgrims (15.0%) had ARI compared with hajjis who used it sometimes (31.4%) or never (61.2%) [29].\nIt was reported in other stud"}