PMC:7543426 / 958-1002
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T12","span":{"begin":35,"end":42},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"transmission electron microscopy.\n\nResults\nC"}