PMC:7558233 / 18516-18574
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T104","span":{"begin":0,"end":58},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The median incubation period was 4 d (interquartile range:"}