PMC:7210464 / 15503-15656 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T100","span":{"begin":0,"end":153},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Therefore, the coefficients are estimated by two-stage least squares in order to obtain consistent estimates on the transmission rates in the population."}