PMC:7601109 / 18035-18297 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T8000","span":{"begin":57,"end":58},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"e fraction of propolis varies in each sample even within a single country due to plant source and climate [79]. For instance, cumulative knowledge shows that volatile oils in propolis found in countries surrounding the Mediterranean depend mainly on the botanica"}

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T290","span":{"begin":158,"end":171},"obj":"Chemical"}],"attributes":[{"id":"A290","pred":"chebi_id","subj":"T290","obj":"http://purl.obolibrary.org/obo/CHEBI_83630"}],"text":"e fraction of propolis varies in each sample even within a single country due to plant source and climate [79]. For instance, cumulative knowledge shows that volatile oils in propolis found in countries surrounding the Mediterranean depend mainly on the botanica"}