PMC:7696151 / 6567-6762 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T56","span":{"begin":50,"end":127},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" cited, with 10 and 7 reports each, respectively. Our systematic review included 49 preclinical studies and 84 clinical trials. The considered in vivo studies were carried out using allograft or "}