PMC:7795931 / 21981-22142 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T139","span":{"begin":0,"end":96},"obj":"Sentence"},{"id":"T140","span":{"begin":97,"end":161},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Return to step 5, initiate a new round for 50 times, that is, run the experiment for 50 periods. The data show a stability after 40 periods, so we stopped at 50."}