PMC:7558914 / 13139-13208
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T90","span":{"begin":0,"end":69},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Immunoglobulins were included as possible therapy in three protocols."}