PMC:7799377 / 73-108
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T3","span":{"begin":0,"end":2},"obj":"Sentence"},{"id":"T4","span":{"begin":3,"end":20},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"V. PERGOLIZZI ET AL.\nPOSTGRADUATE M"}