PMC:7784824 / 11858-11922
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T122","span":{"begin":0,"end":64},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"If still negative, a bronchoalveolar lavage (BAL) was performed."}