PMC:7281378 / 716-840
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T77940","span":{"begin":42,"end":51},"obj":"http://purl.obolibrary.org/obo/BFO_0000030"}],"text":"rus epidemiology and evolution. With this objective, the current systematic review summarizes the original research articles"}