PMC:7795856 / 36746-36775
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T263","span":{"begin":0,"end":29},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"OD Optical density at 550 nm"}