PMC:7534206 / 8927-8965
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T101","span":{"begin":0,"end":38},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" Procedure duration (min) 42.2 ± 36.3"}