PMC:7075884 / 40076-40203 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T294","span":{"begin":0,"end":127},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"After 7 days in culture, plaques were counted to determine the average number of plaques in 4-well replicates of each dilution."}