PMC:7276972 / 3441-3454
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T31","span":{"begin":0,"end":13},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Randomization"}