PMC:6194691 / 48207-48601 JSONTXT

{"project":"MyTest","denotations":[{"id":"30340614-25481827-30706073","span":{"begin":211,"end":213},"obj":"25481827"},{"id":"30340614-19395337-30706074","span":{"begin":215,"end":218},"obj":"19395337"}],"namespaces":[{"prefix":"_base","uri":"https://www.uniprot.org/uniprot/testbase"},{"prefix":"UniProtKB","uri":"https://www.uniprot.org/uniprot/"},{"prefix":"uniprot","uri":"https://www.uniprot.org/uniprotkb/"}],"text":"Most studies of the passive permeability of the blood–brain barrier have focussed on influx, because it is easier to measure and has obvious importance for the delivery of agents and drugs to the CNS (see e.g. [57, 154]). However, passive permeability allows both influx and efflux and thus these studies are directly relevant to understanding how substances are eliminated from the parenchyma."}

{"project":"2_test","denotations":[{"id":"30340614-25481827-30706073","span":{"begin":211,"end":213},"obj":"25481827"},{"id":"30340614-19395337-30706074","span":{"begin":215,"end":218},"obj":"19395337"}],"text":"Most studies of the passive permeability of the blood–brain barrier have focussed on influx, because it is easier to measure and has obvious importance for the delivery of agents and drugs to the CNS (see e.g. [57, 154]). However, passive permeability allows both influx and efflux and thus these studies are directly relevant to understanding how substances are eliminated from the parenchyma."}