PMC:7795856 / 37016-37048
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T274","span":{"begin":0,"end":32},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Q-TOF Quadrupole time of flight"}