PMC:7558914 / 5113-5196
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T37","span":{"begin":0,"end":83},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"We included 6 regional university hospitals and 9 specialized university hospitals:"}