PMC:7212965 / 13907-14016
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T103","span":{"begin":0,"end":109},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"We used the fixed-effects model using the Freeman-Tukey double arcsine transformation method for proportions."}