PubMed:33754144 / 527-545
Annnotations
yangbin123xm_800_3
{"project":"yangbin123xm_800_3","denotations":[{"id":"T2","span":{"begin":0,"end":18},"obj":"DP"}],"text":"COVID-19 pneumonia"}
chenxin_473849_800_3
{"project":"chenxin_473849_800_3","denotations":[{"id":"T16","span":{"begin":0,"end":18},"obj":"DP"}],"text":"COVID-19 pneumonia"}