PMC:7405836 / 100624-100720
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T694","span":{"begin":0,"end":96},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"However, further clinical trials are being carried out concerning their safety and efficacy (7)."}