PMC:6194691 / 74488-74804 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/6194691","sourcedb":"PMC","sourceid":"6194691","source_url":"https://www.ncbi.nlm.nih.gov/pmc/6194691","text":"Water permeability of the blood–brain barrier can be calculated in two very different ways. In the first tritiated water is introduced into the blood and the permeability, Pw,tracer calculated from the ratio of the undirectional influx of tracer, Jinf, to the concentration of the tracer, cTHO,7 Pw,tracer=Jinf/cTHO.","divisions":[{"label":"label","span":{"begin":294,"end":295}}],"tracks":[]}