PMC:7738161 / 13758-13905
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T100","span":{"begin":0,"end":147},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Solid arrows represent flow of individuals between compartments at rates indicated by the mathematical terms (see Supplement for full definitions)."}