PMC:7252096 / 79723-79745
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T564","span":{"begin":0,"end":22},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Materials Availability"}