PMC:7519301 / 1813-1973 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T13","span":{"begin":137,"end":142},"obj":"http://purl.obolibrary.org/obo/OGG_0000000002"}],"text":"fying selection but little evidence of diversifying selection, with substitution rates comparable across structural versus nonstructural genes. Finally, the Wuh"}